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

Flexvibe 3-In-1 Waist Trainer | Waist, Butt & Thigh Shaper, M–XXXL, 4 Colors

Name: Flexvibe 3-In-1 Waist Trainer | Waist, Butt & Thigh Shaper, M–XXXL, 4 Colors
Rating: 4.75 (4 reviews)

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

$23.00

$23.00 $33.00

Buy 2 get 10% off - code FV10

Size M XL XXXL

ColorRed

Type Wide-Waistband Style Narrow-Waistband Style

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 3-In-1 Waist Trainer | Waist, Butt & Thigh Shaper, M–XXXL, 4 Colors

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

Quick Fit Snapshot

Best for gym, postpartum recovery, waist training, and full lower-body shaping
3-in-1 shaping waist cinching + butt lifting + thigh slimming in one piece
Two styles Wide-Waistband or Narrow-Waistband — choose your preferred coverage
Fabric 70% Neoprene + 15% Polyester + 15% Nylon — heat-locking, flexible
Sizing M, XL, XXXL in Yellow, Black, Red, Fuchsia

Gym Postpartum Waist Training 3-In-1 Shaping Neoprene Butt Lifting Thigh Slimming

⭐ 4.75/5 from 4 reviews ✓ 70% Neoprene + 15% Polyester + 15% Nylon ✓ Wide or Narrow waistband ✓ 4 colors available

Why Women Love This Waist Trainer

The Flexvibe 3-In-1 Waist Trainer is the only trainer that shapes your waist, lifts your butt, and slims your thighs simultaneously. The 70% Neoprene core locks in heat for enhanced sweating and faster shaping results, the adjustable Velcro closure provides a secure, customizable fit, and the butt zipper adds convenience for all-day wear. Choose Wide-Waistband for maximum coverage or Narrow-Waistband for a sleeker profile.

3-in-1 shaping — waist cinching + butt lifting + thigh slimming in one piece
70% Neoprene core — heat-locking for enhanced sweating and faster results
15% Polyester + 15% Nylon — flexible, durable outer construction
Adjustable Velcro closure — secure, customizable compression
Butt zipper — convenient for all-day wear
Two waistband styles — Wide or Narrow for your preferred coverage

Fabric & Product Detail

70% Neoprene + 15% Polyester + 15% Nylon
Neoprene core — heat-locking for maximum sweat enhancement
Polyester + Nylon outer — flexible, durable, skin-friendly
Adjustable Velcro closure — secure and customizable throughout your session
Butt zipper — convenient for all-day wear and bathroom use
Durable construction — maintains shape after repeated use

Fit & Size Guide

Available in M, XL, XXXL in Yellow, Black, Red, and Fuchsia. Select your waistband style: Wide-Waistband for maximum coverage or Narrow-Waistband for a sleeker profile.

True to size — order your usual size for firm 3-in-1 shaping
Between sizes? Size up for a more comfortable fit
Wide-Waistband — maximum coverage and support
Narrow-Waistband — sleeker profile, more flexible movement

→ View the Full Size Guide

Is This Right for You?

A 3-in-1 waist trainer for waist, butt, and thigh shaping in one piece
A neoprene waist trainer for heat-locking sweat-enhancing workout results
A postpartum waist and hip trainer for full lower-body recovery shaping
A butt lifting waist trainer for a naturally flattering silhouette
A thigh slimming waist trainer for comprehensive lower-body shaping

Care Instructions

Hand wash cold with mild detergent. Rinse thoroughly and squeeze out excess water gently — do not wring or twist the neoprene.

Do not machine wash. Do not bleach. Do not tumble dry — hang or lay flat to dry away from direct sunlight. Do not iron. Do not dry clean.

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