Flexvibe tummy control maternity activewear in Core Color, soft support main product image

Flexvibe Maternity Sleeveless Dress | Square Neck, Open-Back, Tummy Control, S–XL

Name: Flexvibe Maternity Sleeveless Dress | Square Neck, Open-Back, Tummy Control, S–XL
Rating: 4.80 (5 reviews)

Bump-friendly maternity activewear with soft stretch for pregnancy, lounging, and daily movement.

$35.00

$35.00 $45.00

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 Sleeveless Dress | Square Neck, Open-Back, Tummy Control, S–XL

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

The Flexvibe Maternity Sleeveless Dress is a square neck, open-back maternity dress with tummy control, made from 90% Polyester + 10% Elastane for spring, summer, and autumn daily and casual wear. The stretchy, high-waisted fabric gently supports your baby bump without tightness, while the square neck and open-back style create a flattering, elegant look that accentuates your figure throughout pregnancy. Available in Black, S–XL.

Quick Fit Snapshot

Best for spring/summer/autumn daily and casual wear
Fabric 90% Polyester + 10% Elastane — stretchy, high-waisted, breathable
Support tummy control — gently supports bump without tightness
Design square neck + open-back — flattering, elegant look
Sizes S, M, L, XL · Black

MaternityDaily WearCasual WearSquare NeckOpen-BackTummy Control

✓ 90% Polyester + 10% Elastane✓ Tummy control no tightness✓ Square neck open-back elegant✓ Spring/summer/autumn versatile

Product Features

Fabric & Tummy Control

90% Polyester + 10% Elastane — stretchy, breathable, comfortable for spring, summer, and autumn
High-waisted tummy control — gently supports your baby bump without tightness
High-elastic fabric — accommodates your growing bump throughout all pregnancy stages

Square Neck Open-Back Design

Square neck — flattering neckline that accentuates the collarbone and shoulders
Open-back style — elegant, ventilated design that enhances your figure during pregnancy
Sleeveless construction — comfortable and breathable for warm spring, summer, and autumn days
Available in Black, S–XL

Size Guide

Available in S, M, L, XL. True to size. If between sizes or your bump is larger, size up.
View Full Size Guide →

Care Instructions

Machine wash cold with like colors on gentle cycle
Do not bleach
Tumble dry low or lay flat to dry
Do not iron

FAQ

Is an open-back maternity dress comfortable during pregnancy?

Yes. The open-back design provides ventilation and a flattering, elegant look during pregnancy. The stretchy, high-waisted fabric gently supports your bump from the front while the open-back allows airflow to keep you cool and comfortable during warm spring, summer, and autumn days.

Does the square neck design flatter a pregnancy figure?

Yes. The square neck creates a flattering, structured neckline that accentuates the collarbone and shoulders, drawing attention upward and creating a balanced, elegant look during pregnancy. Combined with the tummy control construction, the square neck design helps create a confident, flattering silhouette throughout all trimesters.

Can this dress be worn for casual outings during pregnancy?

Yes. The elegant square neck and open-back design make this dress stylish enough for casual outings, errands, and daily wear throughout pregnancy. The breathable, stretchy fabric keeps you comfortable all day, and the tummy control construction provides gentle support without tightness for all-day wear.

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