300cc vs. 350cc vs. 400cc Breast Implant Sizers | XS Bra

Name: 300cc vs. 350cc vs. 400cc Breast Implant Sizers | XS Bra
Brand: oumenta
Price: 199.00 USD
Availability: InStock

$199.00

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300cc vs. 350cc vs. 400cc: Which Size Is Right for Your Smaller Frame?

Can a woman with a petite frame comfortably choose 400cc breast implants? Or would 300cc or 350cc provide the fullness she wants without feeling too large?

The Oumènta Breast Implant Sizer Kit includes three pairs of wearable breast implant sizers and an Extra Small pocket bra. Compare 300cc, 350cc, and 400cc at home, under your own clothing, and discover which external silhouette you prefer.

300cc vs. 350cc vs. 400cc: How Different Are They?

300cc: The smallest option in this kit. For a woman with a smaller frame, this may already create a noticeably fuller silhouette. It's a useful starting point when you're interested in a significant change but uncertain about going larger.

350cc: The middle option, offering approximately 17% more volume than 300cc. This lets you explore whether another 50cc provides the additional fullness you're looking for.

400cc: The largest option, with approximately 33% more volume than 300cc. On a petite frame, comparing this volume with the smaller options may be particularly useful when evaluating proportions and clothing fit.

Remember, implant volume alone doesn't determine surgical appearance. Your chest width, existing breast tissue, implant profile, and surgical placement all influence the eventual result.

What If 400cc Looks Great but Feels Too Big?

Perhaps you love the appearance of fuller breasts in photographs, but wonder how you'd feel with that silhouette throughout an ordinary day.

Try 300cc with a fitted T-shirt or your favorite dress. Then wear 350cc during similar activities. Finally, compare 400cc while driving, walking, carrying groceries, or doing comfortable exercise.

Notice more than the mirror. Does the larger volume change how your clothes fit? Does 350cc seem like the right balance? Or do you discover that you actually prefer the fullness of 400cc?

Wear each size for as many days as you need to feel confident in your breast implant size.You can switch back and forth, revisit your favorites, and take your observations to your plastic surgeon.

Research Supports Comparing Sizes Before Surgery

567 Women Studied

In a published study involving 567 women, researchers found that women who participated in preoperative breast implant sizing reported greater satisfaction and were less likely to want a different implant size after surgery.

The study used silicone implant samples in bras, not Oumènta sizers, but its findings support the value of comparing sizes before surgery.

Read the published preoperative sizing study

Still wondering whether a larger volume would be right for you? Read our 350cc vs. 450cc breast implant comparison to explore how additional volume can affect your preferences.

For more guidance, visit our Breast Implant Sizing Guide.

What's Included in Your Oumènta Kit

1 Oumènta Pocket Bra in Extra Small
1 set of 300cc implant sizers
1 set of 350cc implant sizers
1 set of 400cc implant sizers

Prefer Different Sizes?

Create your own Oumènta breast implant sizer kit! Choose any three sizes in 25cc increments, from 200cc to 500cc, to find the combination that's right for you.

Custom Sizer Kit →

300cc vs. 350cc vs. 400cc FAQ

Click any question to see the answer.

Is 400cc too big for a petite woman?

Not necessarily. A woman's height alone doesn't determine which implant volumes are appropriate. Chest width, existing tissue, implant dimensions, and surgical technique all matter. Comparing 400cc external sizers with 300cc and 350cc can help you explore your preferred silhouette, but only your surgeon can evaluate surgical suitability.

How noticeable is the difference between 300cc and 350cc?

350cc contains approximately 17% more volume than 300cc. The difference may be more or less noticeable depending on your proportions, clothing, and the shape of the external sizers. Trying both sizes at home can help you compare them.

Will 350cc breast implants look natural on a small frame?

Natural-looking results depend on anatomy, implant dimensions, profile, placement, and your personal goals. The 350cc sizers help you explore external fullness, but cannot predict your postoperative appearance.

Should I choose 300cc or 400cc breast implants?

These volumes differ by 100cc, or approximately 33%. Comparing them under your own clothing may help you understand whether you prefer a more modest or fuller external silhouette. Your surgeon should help determine which implant options are appropriate for your anatomy.

What if I want to compare 325cc, 350cc, and 375cc instead?

Our custom breast implant sizer kit lets you choose any three volumes from 200cc to 500cc in 25cc increments. It's a useful option when you're narrowing your preferences and want to compare smaller differences.

Important: Oumènta sizers are wearable, experiential sizing aids—not medical devices or actual breast implants. They do not predict surgical results or reproduce the exact weight, shape, movement, or feel of implanted breast implants. Always consult a qualified plastic surgeon before making surgical decisions.

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