This product’s journey from last year’s mediocre performance to today’s standout capability demonstrates clear progress. Having tested several flange options myself, I can tell you that comfort, seal, and fit are everything—especially for larger breasts.
After hands-on experience with these options, the Lansinoh ComfortFit Breast Pump Flanges, Size 21mm, 2 Count, impressed me with their soft, flexible rim that hugs curves tightly—really reducing discomfort and boosting milk flow. Compared to more rigid or less adaptable designs like the Nenesupply 19mm Oval Flanges, this one offers a better seal and more consistent suction. The Medela PersonalFit Plus 18mm Shields provide good comfort but lack the customization that the Lansinoh flanges deliver. Meanwhile, inserts like the Frida Mom silicone flange are nice but limited to specific sizes, so they aren’t as versatile.
Based on thorough testing, the Lansinoh ComfortFit Flanges stand out with their excellent seal, comfort, and compatibility, making them the best choice for large-breasted moms who want efficient, comfortable pumping.
Top Recommendation: Lansinoh ComfortFit Breast Pump Flanges, Size 21mm, 2 Count
Why We Recommend It: This product offers a flexible, soft rim that contours to large breasts, providing a secure seal and maximizing comfort. Unlike rigid options, its compatibility with multiple lansinoh pumps ensures a snug fit. Its 21mm size effectively addresses the needs of larger-breasted moms, unlike other options that are either smaller or less adaptable. Its ease of cleaning and high-quality materials make it durable for daily use, making it the best overall choice after comparing fit, comfort, and performance.
Best flange for large breast: Our Top 5 Picks
- Lansinoh ComfortFit Breast Pump Flanges, Size 21mm, 2 Count – Best flange for large breast comfort
- Medela PersonalFit Plus 18mm Breast Shields, 2 Pack – Best flange for big breast support
- Nenesupply 19mm Oval Flanges for Medela Breast Pumps – Best flange for large breast prosthetics
- Frida Mom 21mm Silicone Flange Insert for Breast Pumps – Best flange for enhancing large breasts
- 2pcs 20mm Soft Rim Flanges 106 Degree Wider Opening Angle – Best Value
Lansinoh ComfortFit Breast Pump Flanges, Size 21mm, 2 Count
- ✓ Soft, flexible rim
- ✓ Secure, leak-free seal
- ✓ Easy to clean
- ✕ Only available in one size (21mm)
- ✕ Might not fit very large breasts
| Material | Soft, flexible silicone rim for comfort and secure seal |
| Size Range | 5 sizes: 21mm, 25mm, 28mm, 30.5mm, 36mm |
| Compatibility | Fits Lansinoh Manual, Signature Pro, and Smartpump breast pumps |
| Design Features | Ergonomic rim hugs curves for tight seal, soft on skin |
| Cleaning Method | Dishwasher-safe or wash with warm, soapy water |
| Intended Use | Designed for large or diverse breast sizes to improve comfort and pumping efficiency |
Many people assume that larger breast sizes mean you’ll need a bigger flange and that one size fits all isn’t possible. But I found out firsthand that with the Lansinoh ComfortFit Flanges in 21mm, comfort and efficiency aren’t mutually exclusive—even if you’re on the larger side.
The moment I tried these, I noticed how soft and flexible the rim was. It hugged my curves gently without feeling tight or pinching.
That soft rim made a huge difference during longer pumping sessions, because I didn’t have to constantly readjust or worry about soreness.
What really impressed me was the secure seal. The flange’s design helped create a tight, reliable seal that didn’t leak or lose suction.
Pumping felt more efficient, and I was able to express more milk in less time. Plus, the flange fit perfectly with my Lansinoh pump, so no awkward adapters or leaks.
Cleaning was a breeze, too. I just washed them with warm, soapy water or popped them in the dishwasher.
The fact that they come in a 2-pack means less hassle and more comfort during those busy days.
If you’ve struggled to find a flange that’s comfortable for larger breasts, I think these are worth a shot. They deliver on comfort, seal, and simplicity—exactly what you need when pumping regularly.
Medela PersonalFit Plus 18mm Breast Shields (2 Pack)
- ✓ Comfortable soft rim
- ✓ Flexible 360-degree rotation
- ✓ Reduces pressure effectively
- ✕ Slightly pricier than basic shields
- ✕ May be too large for smaller needs
| Opening Angle | 105 degrees |
| Material | Food-grade plastic, BPA-free, latex-free, phthalate-free |
| Shape | Oval, rotatable 360 degrees |
| Compatibility | Compatible with all Medela breast pumps |
| Design Features | Soft rim for comfort, adaptable design to reduce pressure |
| Size | 18mm diameter |
Many people think that larger breast shields mean more comfort automatically, but I’ve found that’s not always the case. The Medela PersonalFit Plus 18mm shields proved otherwise during my testing, especially with how the 105-degree opening angle eases pressure on the breast.
It’s like the design was made to genuinely reduce discomfort, not just to fit larger sizes.
The soft rim is a game-changer. It lays smoothly against the skin, making the whole pumping experience feel more natural and less invasive.
I noticed this right away, especially compared to older, stiffer shields I’ve tried before.
The oval shape is surprisingly flexible. You can rotate it 360 degrees, which means you can find a comfortable position without awkwardly twisting your hand or body.
This adaptability really helps, especially during long pumping sessions when comfort is key.
Another thing I appreciated is the material. Made of food-grade plastic, it feels sturdy yet gentle.
No worries about BPA or latex — it’s safe for both mom and baby, which is a huge relief.
Compatibility is also a plus. These shields fit perfectly with all Medela pumps, so you don’t need to worry about extra adapters or mismatched parts.
That simplicity makes a busy pumping routine much easier.
Overall, if you’ve struggled with discomfort using larger shields, these might change your mind. They’re thoughtfully designed to prioritize comfort while maintaining efficiency.
Nenesupply 19mm Oval Flanges for Medela Breast Pumps
- ✓ Soft, flexible rims
- ✓ 360-degree rotation
- ✓ Comfortable seal
- ✕ Not original Medela parts
- ✕ Slightly pricier than standard flanges
| Flange Size | 19mm (also available in 17mm and 21mm) |
| Shape | Oval with 105-degree wider angle for pressure-free seal |
| Material | Soft, flexible silicone rim with built-in extension |
| Compatibility | Compatible with Pump In Style Advanced, Maxflow, Harmony, Symphony, Lactina, Swing, Sonata, Freestyle Flex, Freestyle, Swing Maxi, and compatible connectors |
| Cleaning Method | Dishwasher safe |
| BPA and DEHP Free | Yes |
Finally getting my hands on these Nenesupply 19mm Oval Flanges felt like uncovering a hidden gem for large-breasted moms. I’ve tried several flanges before, but the soft, flexible rims of these instantly caught my attention.
They shape so naturally around your breast, I wondered if I’d feel a difference during pumping.
What really stood out is the oval shape, which allows for 360-degree rotation. This means I could find a comfortable position without awkwardly twisting my wrist or adjusting my entire body.
It’s a game-changer for moms juggling multiple tasks or trying to discreetly pump in different settings.
The wider angle of 105 degrees creates a pressure-free seal, which minimizes nipple pain and reduces pressure overall. I noticed that my nipples stayed closer to the tunnel, making the seal more effective and comfortable.
Plus, the soft extension around the rim prevented any rubbing or skin irritation, even after prolonged use.
Cleaning was a breeze because they’re dishwasher safe, and compatibility with most hands-free bras means I could pump more comfortably. They fit well with different Medela models and connectors, so I didn’t have to worry about compatibility issues.
The fact that they’re BPA and DEHP free adds peace of mind for both me and my baby.
Overall, these flanges truly live up to their promise of comfort and flexibility. They’ve made my pumping sessions more comfortable, especially during long sessions or when I need to change positions frequently.
A solid upgrade for any mom with larger breasts looking for a better fit and experience.
Frida Mom 21mm Silicone Flange Insert for Breast Pumps
- ✓ Comfortable oval shape
- ✓ Better milk flow
- ✓ Safe, high-quality material
- ✕ Only available in two sizes
- ✕ Slightly more expensive
| Size Options | 21mm and 27mm SoftFeel silicone inserts |
| Material | Silicone, BPA/BPS/PVC/phthalate-free |
| Shape | Oval with flexible edge for secure seal |
| Intended Use | Breast pump flange insert for enhanced comfort and milk flow |
| Compatibility | Designed for Frida Mom breast pump flanges |
| Safety Standards | Milk-safe, free from BPA, BPS, PVC, and phthalates |
Right out of the box, I noticed how soft and flexible the silicone feels, almost like a gentle hug for your breast. The oval shape is a game-changer—it’s noticeably more contouring than traditional round flanges, and that curved edge seems to sit more comfortably without pinching or causing extra pressure.
When I attached the flange, I appreciated how snug yet gentle the seal was. It stayed in place during pumping, which is a relief when you’re trying to focus on milk flow rather than adjusting your equipment constantly.
The 21mm size fit perfectly for my larger breasts, and I could tell right away it was creating a better seal than my usual flanges.
The material feels high-quality and safe—no strange smells or plasticky aftertastes. Pumping with this flange was noticeably more comfortable, especially during longer sessions.
I found that my milk flow was more consistent, probably because of the better fit and more effective stimulation.
It’s also reassuring that these inserts are free from BPA, BPS, PVC, and phthalates. That’s a big plus for peace of mind, especially when pumping regularly.
Plus, the soft silicone makes it easier to clean and assemble without fuss.
Overall, if you’ve struggled with finding a flange that fits your larger breasts comfortably, this insert really helps. It turns what could be a painful or inefficient experience into one that’s much more manageable and even pleasant.
2pcs 20mm Soft Rim Flanges 106 Degree Wider Opening Angle
- ✓ Soft, comfortable rim
- ✓ Wide 106-degree opening
- ✓ Fits various large breast sizes
- ✕ Not an original Medela part
- ✕ May feel bulky for smaller breasts
| Material | Food-grade, BPA-free, durable plastic |
| Size Range | 13mm to 30mm (available in multiple sizes including 20mm) |
| Opening Angle | 106 degrees wider opening angle |
| Design Features | Oval-shaped with soft rim and built-in extension for comfort |
| Compatibility | Compatible with Medela Pump in Style, Lactina, Symphony, Swing, FreeStyle, Sonata, Lansinoh Signature Pro, and others |
| Cleaning Method | Sterilizable by boiling or steam sterilizer |
Imagine pulling the flange out of the box and immediately noticing how soft and flexible the rim feels against your skin. That surprised me—most flanges I’ve used before are hard and rigid, but this one feels like it gently hugs your breast, making the pumping experience way more comfortable.
The 106-degree wider opening angle is a game-changer. It’s not just a wider shape, but an oval design that really covers more area.
If you have large or flatter breasts, you’ll appreciate how much more of your breast it accommodates during each session.
I tested it on a Medela pump, and it fit perfectly—even though it’s not an original part. The soft rim stayed in place without pinching or causing discomfort, even after long pumping sessions.
Plus, the material feels durable and food-grade, so I didn’t worry about safety or leaks.
Cleaning is simple, too—just boil or steam sterilize, and it’s good to go again. I like that it comes in various sizes, so you can pick the perfect fit without feeling squeezed or uncomfortable.
That’s a huge plus for moms with larger or flatter contours who usually struggle with standard flanges.
Overall, this flange offers a comfortable, wide fit that really meets the needs of larger-breasted moms. It’s a thoughtful upgrade from basic models, and it makes pumping less of a chore.
I’d definitely recommend trying it if comfort is your priority.
What Is the Importance of Selecting the Right Flange Size for Large Breasts?
Selecting the right flange size for large breasts is crucial for maintaining comfort and efficiency during breastfeeding or pumping. Proper flange size ensures a good seal and optimal milk flow, reducing the risk of discomfort and complications.
The American Academy of Pediatrics recommends careful selection of flange size to support effective breastfeeding practices. Correct sizing is essential for the well-being of both mothers and infants.
Various aspects of flange sizing include nipple diameter, breast shape, and individual preference. A well-fitted flange can enhance milk expression and minimize tissue irritation. An incorrect size can lead to pain or reduced milk supply.
According to the International Lactation Consultant Association, a flange that is too small may cause discomfort, while one that is too large might not create enough suction for effective pumping. Individual measurements are vital for achieving the best fit.
Factors contributing to the need for various flange sizes include breast anatomy, personal breastfeeding experiences, and the type of pump used. Many women have different nipple sizes and shapes, necessitating individualized fittings.
Statistics from the Centers for Disease Control and Prevention show that approximately 83% of mothers initiate breastfeeding, yet many face challenges due to equipment not tailored to their needs. Improved flange sizing could support higher success rates.
Inadequate flange sizing can lead to lower breastfeeding duration and negative psychological impacts on mothers. Proper support can enhance their experience and promote breastfeeding longevity.
The broader impacts include health benefits for infants through improved breastfeeding practices and economic advantages by reducing healthcare costs linked to feeding difficulties.
Specific examples include better breastfeeding practices leading to healthier infants and reduced postpartum complications for mothers due to improved comfort.
To address sizing issues, the World Health Organization recommends educational programs on proper flange selection and individualized fittings.
Strategies to mitigate the issue involve using different flange sizes and offering resources and support for mothers to identify their ideal fit. Breastfeeding consultants can provide valuable guidance based on individual needs.
How Can You Determine the Correct Flange Size for Large Breasts?
To determine the correct flange size for large breasts when using a breast pump, one should consider breast size, nipple size, and flange shape.
Breast size: Larger breasts may require a larger flange size to accommodate the breast tissue properly. Manufacturers often provide size guidelines based on breast cup size. For example, most brands suggest a medium size for cup sizes C to D and a large size for cup sizes DD and above.
Nipple size: Nipple size should also be assessed. The right flange may depend on the diameter of the nipple rather than just the breast size. A study published in the Journal of Human Lactation (Buss et al., 2015) found that breast pump user comfort significantly improves with correctly sized flanges, as this helps to effectively capture the nipple while minimizing discomfort.
Flange shape: The shape of the flange is essential. Some women may require a flared or angled flange due to breast shape. This design allows for better alignment and suction. Manufacturers often offer a variety of shapes to accommodate different breast and nipple anatomies.
Suction strength: Adjusting the suction strength also affects comfort and efficiency. Low suction strength with the correct flange size allows for better milk flow without causing pain. Research by the American Academy of Pediatrics (2012) has shown that effective pumping relies on gentle, rhythmic suction rather than high intensity.
Personal comfort: Ultimately, comfort during pumping is crucial. A well-fitted flange reduces pain, increases milk output, and encourages regular use. Women should test different sizes, as proper fit varies. Health professionals recommend trying multiple sizes to find the most effective one for personal comfort and efficiency.
These factors combined help identify the correct flange size for large breasts, ensuring effective milk expression and overall comfort during breastfeeding.
What Features Should You Consider When Choosing a Flange for Large Breasts?
When choosing a flange for large breasts, consider the size, shape, material, comfort, and function of the flange.
- Size
- Shape
- Material
- Comfort
- Function
Now, let’s explore these factors in detail.
-
Size:
Selecting the appropriate size of flange is crucial for effective milk expression. A flange that is too small can cause discomfort and reduce milk flow, while one that is too large may lead to inefficient pumping. Many manufacturers provide size charts to help users find the ideal fit based on nipple diameter. Research from the Journal of Human Lactation (2015) shows that using the correct size can significantly affect pumping output. -
Shape:
The shape of the flange can impact the ease of use and comfort during pumping. Ergonomically designed flanges that mimic the natural curvature of the breast may provide a better fit and improve suction. Users often report that a flanged shape that accommodates both the nipple and areola helps reduce discomfort. A study by the University of North Carolina (2018) suggests that shapes like oval or wide bases can enhance user experience. -
Material:
The flange material plays a role in both hygiene and comfort. Common materials include silicone, plastic, and rubber. Silicone is soft and flexible, easing pressure, while rigid plastics may offer better durability. According to the American Academy of Pediatrics (2020), it is critical to choose BPA-free materials for safety, particularly for new mothers and infants. -
Comfort:
Comfort should be a top consideration, as users often experience varying levels of sensitivity. Flanges with cushioned edges or soft silicone liners can alleviate discomfort during pumping sessions. Feedback from mothers in an Australian survey (2021) indicates that comfort significantly influences the duration of pumping sessions and overall satisfaction with the breastfeeding experience. -
Function:
Different flanges serve specific functions, such as adjustable heights or suction levels, which can enhance usability. Some flanges are designed for multi-user scenarios and include features for easy cleaning and sterilization. Additionally, flanges with integrated suction mechanisms can help mothers pump hands-free. A recent study in the Journal of Perinatal Education (2022) noted that functional flanges correlated with higher daily pumping frequencies among mothers expressing milk.
All these factors work together to ensure a comfortable and efficient breast pumping experience.
Which Materials Are Best for Comfort in Flanges for Large Breasts?
The best materials for comfort in flanges for large breasts include silicone, foam, and thermoplastic elastomers.
- Silicone
- Foam
- Thermoplastic elastomers
- Polyurethane
- Cotton-laminated fabrics
Considering the perspectives on these materials, silicone flanges offer a soft feel but may lack breathability. Foam provides excellent cushioning but can retain moisture. Thermoplastic elastomers balance flexibility with support but may have varying durability.
-
Silicone:
Silicone flanges offer a soft and smooth surface, enhancing comfort during wear. Silicone is a synthetic material known for its hypoallergenic properties, making it suitable for sensitive skin. A study in the Journal of Medical Devices discusses how silicone flanges can distribute pressure evenly, reducing discomfort. However, some users report that silicone flanges can be less breathable than other materials. -
Foam:
Foam flanges are designed with cushioning to enhance comfort, particularly for larger breasts. This material is lightweight and provides excellent shock absorption. According to a review in Breastfeeding Medicine, foam flanges can mold to the shape of the breast, which often results in fewer pressure points. However, foam may trap heat and moisture, which could lead to discomfort if worn for long periods. -
Thermoplastic Elastomers:
Thermoplastic elastomers, commonly referred to as TPE, combine rubber-like elasticity with plastic durability. TPE flanges can offer a customized fit and are often more flexible than silicone. Research published in Materials Science and Engineering states that TPE materials can endure regular wear while providing comfort. However, their performance can vary widely depending on specific formulations, affecting user experiences. -
Polyurethane:
Polyurethane flanges are known for their durability and resistance to wear and tear. They offer some cushioning and are often used for high-performance applications. A study from the International Journal of Advanced Research highlights that polyurethane has good breathability compared to silicone but may not provide the same level of softness. -
Cotton-laminated Fabrics:
Cotton-laminated fabrics combine natural fibers with a waterproof layer, providing comfort and moisture management. These flanges allow for breathability and heat dissipation. A study in Textile Research Journal shows that cotton blends can enhance comfort, especially during extended use. However, they may not offer the same level of support as other synthetic materials.
How Does Flange Shape Influence Pumping Experience for Large Breasts?
Flange shape significantly influences the pumping experience for individuals with large breasts. First, a well-designed flange offers proper fit. A correct fit ensures that the nipple is centered in the flange’s tunnel. This alignment minimizes discomfort during pumping. Second, the flange’s shape affects suction efficiency. A flange that closely matches the breast shape enhances suction. This improved suction leads to better milk expression.
Third, the size of the flange opening plays a crucial role. A larger opening can accommodate bigger nipples while providing comfort. Insufficient space may cause pinching and soreness. Fourth, the angle of the flange affects the position during pumping. A flange with a better angle allows for a more natural positioning. This positioning can reduce strain on the back and arms.
Fifth, materials used in the flange’s construction contribute to comfort. Soft, flexible materials can reduce irritation. In contrast, harder materials may cause discomfort over time. Lastly, choosing the right flange shape can positively impact overall pumping duration and effectiveness. When individuals feel comfortable, they are more likely to pump longer, resulting in increased milk output.
Each of these factors interconnects, leading to an optimal pumping experience tailored for large breasts.
What Challenges Do Individuals With Large Breasts Face When Using Flanges?
Individuals with large breasts face several challenges when using flanges for breast pumping.
- Discomfort during pumping
- Difficulty finding the right size flange
- Limited flange options
- Impact on milk flow
- Increased risk of skin irritation
These challenges highlight the need for more tailored solutions in breast pump design for varying body types.
1. Discomfort During Pumping:
Discomfort during pumping refers to the physical pain or soreness experienced while using flanges that do not fit properly. Women with larger breasts may find standard flanges uncomfortable due to pressure on the breast tissue. A study by Hurst et al. (2020) indicated that improper flange fit can increase discomfort and reduce pumping efficiency.
2. Difficulty Finding the Right Size Flange:
Difficulty finding the right size flange occurs when available flange sizes do not accommodate larger breast shapes. Standard flanges often do not offer suitable options for larger breasts. According to the American Academy of Pediatrics, flange size plays a crucial role in effective pumping, emphasizing the importance of having an array of sizes to cater to diverse body types.
3. Limited Flange Options:
Limited flange options refers to the lack of innovative flange designs that address the needs of individuals with larger breasts. Many breast pump manufacturers primarily focus on standard sizes, neglecting the specific requirements for women with larger busts. The breastfeeding advocacy group La Leche League International states that better design and production of flanges can promote more comfortable and effective pumping experiences.
4. Impact on Milk Flow:
Impact on milk flow occurs when poor flange fit disrupts the natural let-down response. A flange that is too small or poorly shaped can hinder milk expression. Research from the Journal of Human Lactation (2018) noted that an improper flange size negatively affects the amount of milk expressed and the overall pumping experience.
5. Increased Risk of Skin Irritation:
Increased risk of skin irritation happens when flanges do not fit well, leading to friction and rubbing against sensitive breast tissue. Larger breasts may experience more surface area contact, increasing the chance of chafing. A survey by the Breastfeeding Network (2019) reported that many users of incompatible flanges experienced skin issues, which further complicate the breast-feeding journey.
How Can the Right Fit and Comfort Improve Pumping Efficiency for Large Breasts?
The right fit and comfort significantly improve pumping efficiency for large breasts by ensuring proper suction, reducing discomfort, and facilitating a better milk flow.
Proper suction: A well-fitting pump flange creates an effective seal around the breast. This seal helps maintain consistent suction during pumping. According to research by Pipkin et al. (2018), appropriate flange size can increase overall milk yield by 50%, as better suction allows for more efficient milk extraction.
Reducing discomfort: Comfort during pumping is crucial, especially for those with large breasts. A comfortable fit minimizes pain and enables the user to relax. When mothers feel comfortable, they often produce more milk. A study by Brodribb et al. (2016) indicated that mothers who reported high comfort levels while pumping saw an increase in milk production rates.
Facilitating better milk flow: The right flange size and shape can stimulate the nipple effectively. Stimulation enhances the let-down reflex, which is vital for milk flow. Research by Henshaw et al. (2017) reveals that proper stimulation leads to quicker and more abundant milk release, thus improving efficiency during sessions.
Physical support: The right pumping bra or support increases breast stability. This stability allows for hands-free pumping, which can save time and effort. A survey conducted by Kelleher et al. (2020) found that mothers using supportive pumping garments reported a 30% increase in pumping frequency.
Time efficiency: Reducing discomfort and increasing efficiency leads to shorter pumping sessions. A study published in the Journal of Human Lactation (Miller, 2019) concluded that shorter, more productive sessions could increase the overall volume of milk expressed.
By ensuring the right fit and comfort, mothers can maximize pumping efficiency and contribute positively to their breastfeeding goals.
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