Flexvibe soft stretch activewear in Core Color, gym-to-street main product image

Flexvibe Sleeveless Open Back Gym Smock | Quick-Dry, Loose, S–XL, 7 Colors

Yellow-Green / S
$35.00
$35.00 $45.00
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Flexvibe soft stretch activewear in Core Color, gym-to-street main product image
  • Flexvibe soft stretch activewear in Core Color, gym-to-street main product image
  • Flexvibe activewear side view for gym-to-street, with soft stretch and gym-to-street
  • Flexvibe activewear back view for gym-to-street, with soft stretch and gym-to-street
  • Flexvibe activewear waistband detail showing soft stretch and gym-to-street activewear design
  • Flexvibe activewear fabric texture showing soft stretch and gym-to-street activewear design
  • Flexvibe activewear outfit styling for gym-to-street, with soft stretch and gym-to-street
  • Flexvibe soft stretch activewear in Core Color, gym-to-street main product image
  • Flexvibe activewear side view for gym-to-street, with soft stretch and gym-to-street
  • Flexvibe activewear back view for gym-to-street, with soft stretch and gym-to-street
  • Flexvibe activewear waistband detail showing soft stretch and gym-to-street activewear design
  • Flexvibe activewear fabric texture showing soft stretch and gym-to-street activewear design
  • Flexvibe activewear outfit styling for gym-to-street, with soft stretch and gym-to-street
Flexvibe Sleeveless Open Back Gym Smock | Quick-Dry, Loose, S–XL, 7 Colors

Flexvibe Sleeveless Open Back Gym Smock | Quick-Dry, Loose, S–XL, 7 Colors

$35.00
$35.00 $45.00
Buy 2 get 10% off - code FV10
ColorYellow-Green
Size

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.

Sports Bras, Tanks & Tops

SizeUSBustUnderbust
XS0-231-3326-28
S4-634-3529-30
M8-1036-3831-33
L12-1439-4134-36
XL1642-4437-39
XXL1845-4740-42

For high-support bras, check both bust and underbust. Size up if you prefer less compression.

Flexvibe Sleeveless Open Back Gym Smock | Quick-Dry, Loose, S–XL, 7 Colors

How To Measure

Measurements should be taken directly on your body.

Bust: Measure around the fullest part of your bust, just under your arms. Keep the tape level.

Underbust: Measure around your ribcage directly under the bust.

Waist: Measure around the narrowest part of your waist, keeping the tape comfortable.

See more on our Size Guide.

Free Shipping over $30

30-Day Returns
Description

Quick Fit Snapshot

  • Best for running, fitness, gym, and daily casual athleisure wear
  • Design sleeveless + open back — bold, breathable, sporty smock silhouette
  • Fabric 70% Polyester + 30% Cotton burnout — quick-dry, moisture-wicking, lightweight
  • Fit loose fit — relaxed, comfortable for all-day active wear
  • Sizing S–XL in 7 colors
Running Fitness Gym Daily Athleisure Open Back Burnout Fabric Quick-Dry
⭐ 4.6/5 from 5 reviews ✓ 70% Polyester + 30% Cotton burnout ✓ Quick-dry, moisture-wicking ✓ Sizes S – XL
Why Women Love This Gym Smock

The Flexvibe Sleeveless Open Back Gym Smock stands out with its unique burnout fabric texture and open-back design for running, fitness, and gym wear. The 70% Polyester + 30% Cotton burnout fabric delivers quick-dry moisture-wicking performance with a distinctive semi-sheer burnout texture, the open-back design creates a bold, flattering gym aesthetic, and the loose fit is comfortable for all-day active wear.

  • 70% Polyester + 30% Cotton burnout — unique texture, quick-dry, moisture-wicking
  • Burnout fabric — distinctive semi-sheer texture for a premium gym look
  • Open back design — bold, flattering gym aesthetic
  • Sleeveless — maximum arm mobility for running and fitness
  • Loose fit — relaxed, comfortable for all-day active wear
  • 7 colors — Yellow-Green, White, Gray Pink, Black, Dark Purple, Red, Blue
Fabric & Product Detail
  • 70% Polyester + 30% Cotton burnout
  • Burnout fabric — distinctive semi-sheer texture, premium gym look
  • Polyester — quick-dry, moisture-wicking, shape-retaining
  • Cotton — soft, breathable, skin-friendly feel
  • Lightweight — barely-there feel during running and fitness
  • Durable — maintains texture and shape after repeated washing
Fit & Size Guide

This gym smock runs true to size with a relaxed loose fit. Available in S, M, L, XL in Yellow-Green, White, Gray Pink, Black, Dark Purple, Red, and Blue.

  • Loose fit — relaxed, comfortable for all-day active wear
  • True to size — or size down for a slightly more fitted look
  • Open back — pairs with any sports bra underneath

→ View the Full Size Guide

Is This Right for You?
  • A open back gym smock for bold, flattering gym styling
  • A burnout fabric sports top for a unique, premium gym look
  • A quick-dry sleeveless gym top for comfortable running and fitness
  • A loose fit activewear smock for relaxed, all-day comfortable wear
  • A colorful gym smock in 7 vibrant colors for versatile styling
Care Instructions

Machine wash cold with like colors on a gentle cycle. Turn inside out to protect the burnout fabric texture.

Do not bleach. Do not use fabric softener. Tumble dry low or lay flat to dry. Do not iron at high heat. Do not dry clean.
Shipping & Returns

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

Length, fabric & coverage

Activewear top fit notes for cropped length, stretch, neckline, back detail, and layering.
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 GuideSports BrasTops

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