Maternity One-Shoulder Cutout One-Piece Swimsuit – High Stretch Belly

Flexvibe maternity activewear outfit styling for daily movement, with 4-way stretch and soft support

Flexvibe Maternity One-Shoulder Cutout One-Piece Swimsuit | High Stretch Belly

$39.80

$39.80 $49.00

Buy 2 get 10% off - code FV10

ColorBlack

Size S M L XL

Find your fit

Size Guide

All measurements are body measurements in inches. If you are between sizes, choose the larger size for a more relaxed feel or the smaller size for a more held-in fit.

Maternity & Postpartum

Size	US	Bust	Under-bump Waist	Hip
S	4-6	34-36	29-31	36-38
M	8-10	37-39	32-34	39-41
L	12-14	40-42	35-38	42-45
XL	16	43-45	39-42	46-49
XXL	18	46-48	43-46	50-53

Start with your pre-pregnancy size, then size up when you want more room through the bump, belly, or hips.

Flexvibe Maternity One-Shoulder Cutout One-Piece Swimsuit | High Stretch Belly

How To Measure

Measurements should be taken directly on your body.

Bust: Measure around the fullest part of your bust, keeping the tape level.

Under-bump Waist: Measure around the lower belly where maternity waistbands usually sit.

Hips: With feet together, measure around the widest part of your hips.

See more on our Size Guide.

Free Shipping over $30

30-Day Returns

Functional Fit Tailored for Expecting Moms

This one-shoulder cutout maternity one-piece swimsuit is designed for pregnant women seeking stylish shaping, gentle belly support, and all-day comfort by the water. The one-shoulder + side cutout + ruched belly structure flatters your silhouette while accommodating your growing bump without pressure. Ideal for beach, pool, vacation, and maternity photoshoots, this swimsuit fits throughout all trimesters with sizes from XS and up. Soft, stretchy, and quick-drying, it lets you glow confidently while staying comfortable, making it a must-have swim essential for expectant moms.

Advanced Fabric Technology for Enhanced Performance

Crafted with ultra-stretchy, quick-drying premium swim fabric, this swimsuit offers superior flexibility and softness for all-trimester comfort. The material is breathable, skin-friendly, and non-irritating—gentle on sensitive pregnancy skin; durable and fade-resistant for long-lasting use throughout your pregnancy. Ruched detailing adapts to your changing bump while providing smooth, flattering coverage.

Versatile Use Across Water & Maternity Scenarios

This maternity one-piece swimsuit merges chic design with bump-friendly practicality, perfect for beach days, pool lounging, vacations, babymoons, and maternity photoshoots. Its one-shoulder cut highlights the collarbone; side cutout slims the waist; ruched belly panel supports and conceals gently. Durable for frequent water use, it is a trusted choice for stylish, comfortable pregnancy swimwear.

Product Advantages

Structural and Design Superiority

Featuring flattering one-shoulder neckline and subtle side cutout, this swimsuit accentuates elegance and slims the waist beautifully. Ruched belly panel provides gentle, no-pressure support for your growing bump; high-stretch fit adapts to all pregnancy stages; slim, non-bulky finish conceals smoothly for a polished look.

Enhanced Usability and Maternity Comfort Benefits

This swimsuit stands out with exceptional bump-friendliness, softness, and convenience. Ultra-stretchy fabric moves with your body without restriction; quick-drying performance keeps you fresh after swimming; skin-friendly material avoids irritation for long-hour wear. It balances style, support, and all-day comfort perfectly for expecting moms.

Use Scenarios

Ideal Beach & Pool Maternity Swimwear

Perfect for beach outings, pool days, vacations, and water activities, this swimsuit provides stylish, comfortable coverage with gentle belly support, keeping you confident and chic in any water setting.

Supportive Gear for Maternity Photoshoots & Special Moments

Suitable for maternity photoshoots, babymoons, and summer events, this swimsuit creates a graceful, glowing silhouette that flatters your pregnancy shape, capturing beautiful memories in style.

FAQ

What materials are used in this maternity swimsuit?

It uses ultra-stretchy, quick-drying, skin-friendly premium swim fabric, featuring high elasticity, softness, breathability, fade resistance, and non-irritating performance.

Is this swimsuit suitable for all pregnancy trimesters?

Yes, the high-stretch ruched belly design comfortably adapts to your growing bump throughout all trimesters with no abdominal pressure.

How do I care for this swimsuit?

Machine wash cold with like colors, do not bleach, tumble dry low, do not iron or dry clean to maintain elasticity and shape.

What size options are available?

Available in multiple sizes including XS. If you are between sizes or prefer a looser fit, we recommend choosing one size up.

Shipping
Free standard shipping on orders over $30. Most orders process in 1-2 business days and arrive in 7-10 business days.

Returns
Return unworn, unwashed items with tags and original packaging within 30 days.

Fit Snapshot

Soft room & gentle support

Maternity and postpartum activewear fit notes for stretch, belly room, coverage, and daily comfort.

Fit & size

Use the Size Guide and product photos to check fit, coverage, stretch, and where the style sits on the body.

Fabric & coverage

Review the product description and photos for fabric composition, stretch, lining, padding, pockets, opacity, and care. For lighter colors, check photo coverage before choosing underwear color.

Before checkout

Confirm the Size Guide, shipping timing, and return policy. Flexvibe describes fit, support, and visual smoothing only; we do not promise weight loss, body changes, or medical results.

Size Guide Sports Bras Maternity