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Maternity Activewear

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Finding the right clothing is incredibly important when you're expecting. You want maternity activewear that fits your body, your needs, and your lifestyle. Get the perfect look for up to 90% off estimated retail at thredUP.

93 items
Be Maternity Size Med Maternity
Be Maternity Size Med Maternity

View Product: Be Maternity Size Med Maternity

Be Maternity

Size Med Maternity
$13.99 $22

$11.19 20% off with

Isabel Maternity Size 2X Maternity
Isabel Maternity Size 2X Maternity

View Product: Isabel Maternity Size 2X Maternity

Isabel Maternity

Size 2X Maternity
$13.99 $22

$11.19 20% off with

Motherhood Size Med Maternity
Motherhood Size Med Maternity

View Product: Motherhood Size Med Maternity

Motherhood

Size Med Maternity
$20.99 $36

$16.79 20% off with

Gap Fit Maternity Size Med Maternity
Gap Fit Maternity Size Med Maternity

View Product: Gap Fit Maternity Size Med Maternity

Gap Fit Maternity

Size Med Maternity
$25.99 $71

$20.79 20% off with

Cantaloop Size 1 Maternity
Cantaloop Size 1 Maternity

View Product: Cantaloop Size 1 Maternity

Cantaloop

Size 1 Maternity
$20.99 $45

$16.79 20% off with

Ingrid + Isabel Size Lg Maternity
Ingrid + Isabel Size Lg Maternity

View Product: Ingrid + Isabel Size Lg Maternity

Ingrid + Isabel

Size Lg Maternity
$30.99 $89

$24.79 20% off with

Monrow Size XS Maternity
Monrow Size XS Maternity
Flawed Gem BadgeFlawed Gem

View Product: Monrow Size XS Maternity

Monrow

Size XS Maternity
$40.99 $220

$24.59 40% off with

A Pea in the Pod Size XS Maternity
A Pea in the Pod Size XS Maternity

View Product: A Pea in the Pod Size XS Maternity

A Pea in the Pod

Size XS Maternity
$30.99 $89

$24.79 20% off with

A Pea in the Pod Size Med Maternity
A Pea in the Pod Size Med Maternity

View Product: A Pea in the Pod Size Med Maternity

A Pea in the Pod

Size Med Maternity
$21.99 $89

$17.59 20% off with

Ingrid + Isabel Size Sm Maternity
Ingrid + Isabel Size Sm Maternity

View Product: Ingrid + Isabel Size Sm Maternity

Ingrid + Isabel

Size Sm Maternity
$33.99 $89

$27.19 20% off with

Motherhood Size Lg Maternity
Motherhood Size Lg Maternity

View Product: Motherhood Size Lg Maternity

Motherhood

Size Lg Maternity
$19.99 $36

$15.99 20% off with

Active by Old Navy Size XS Maternity
Active by Old Navy Size XS Maternity

View Product: Active by Old Navy Size XS Maternity

Active by Old Navy

Size XS Maternity
$8.99 $17

$7.19 20% off with

Be Maternity Size Med Maternity
Be Maternity Size Med Maternity

View Product: Be Maternity Size Med Maternity

Be Maternity

Size Med Maternity
$13.99 $22

$11.19 20% off with

Gap Fit Maternity Size XS Maternity
Gap Fit Maternity Size XS Maternity

View Product: Gap Fit Maternity Size XS Maternity

Gap Fit Maternity

Size XS Maternity
$22.99 $71

$18.39 20% off with

Motherhood Size Sm Maternity
Motherhood Size Sm Maternity

View Product: Motherhood Size Sm Maternity

Motherhood

Size Sm Maternity
$15.99 $36

$12.79 20% off with

Unbranded Size Sm Maternity
Unbranded Size Sm Maternity

View Product: Unbranded Size Sm Maternity

Unbranded

Size Sm Maternity
$12.99 $24

$10.39 20% off with

Oh Baby By Motherhood Size Sm Maternity
Oh Baby By Motherhood Size Sm Maternity

View Product: Oh Baby By Motherhood Size Sm Maternity

Oh Baby By Motherhood

Size Sm Maternity
$22.99 $36

$18.39 20% off with

Be Maternity Size Lg Maternity
Be Maternity Size Lg Maternity

View Product: Be Maternity Size Lg Maternity

Be Maternity

Size Lg Maternity
$13.99 $22

$11.19 20% off with

Mimi Maternity Size Med Maternity
Mimi Maternity Size Med Maternity

View Product: Mimi Maternity Size Med Maternity

Mimi Maternity

Size Med Maternity
$16.99 $71

$11.89 30% off with

Mumberry Size Sm Maternity
Mumberry Size Sm Maternity

View Product: Mumberry Size Sm Maternity

Mumberry

Size Sm Maternity
$19.99 $71

$13.99 30% off with

Motherhood Size Lg Maternity
Motherhood Size Lg Maternity

View Product: Motherhood Size Lg Maternity

Motherhood

Size Lg Maternity
$17.99 $36

$14.39 20% off with

Unbranded Size XL Maternity
Unbranded Size XL Maternity

View Product: Unbranded Size XL Maternity

Unbranded

Size XL Maternity
$12.99 $24

$9.09 30% off with

Beyond the Bump by Beyond Yoga Size XS Maternity
Beyond the Bump by Beyond Yoga Size XS Maternity

View Product: Beyond the Bump by Beyond Yoga Size XS Maternity

Beyond the Bump by Beyond Yoga

Size XS Maternity
$43.99 $143

$30.79 30% off with

Isabel Size Lg Maternity
Isabel Size Lg Maternity

View Product: Isabel Size Lg Maternity

Isabel

Size Lg Maternity
$47.99 $143

$33.59 30% off with

Old Navy - Maternity Size 3X Maternity
Old Navy - Maternity Size 3X Maternity

View Product: Old Navy - Maternity Size 3X Maternity

Old Navy - Maternity

Size 3X Maternity
$24.99 $60

$17.49 30% off with

Motherhood Size XS Maternity
Motherhood Size XS Maternity

View Product: Motherhood Size XS Maternity

Motherhood

Size XS Maternity
$19.99 $36

$13.99 30% off with

Isabel Maternity Size XS Maternity
Isabel Maternity Size XS Maternity

View Product: Isabel Maternity Size XS Maternity

Isabel Maternity

Size XS Maternity
$14.99 $22

$10.49 30% off with

Charlotte Russe Size Lg Maternity
Charlotte Russe Size Lg Maternity

View Product: Charlotte Russe Size Lg Maternity

Charlotte Russe

Size Lg Maternity
$12.99 $27

$9.09 30% off with

Wacoal Size 0 Maternity
Wacoal Size 0 Maternity
Price Drop BadgePrice Drop

View Product: Wacoal Size 0 Maternity

Wacoal

Size 0 Maternity
$11.99 $36

$7.19 40% off with

BeMaternity by Ingrid & Isabel Size XS Maternity
BeMaternity by Ingrid & Isabel Size XS Maternity

View Product: BeMaternity by Ingrid & Isabel Size XS Maternity

BeMaternity by Ingrid & Isabel

Size XS Maternity
$14.99 $27

$10.49 30% off with

For Two Fitness Size Lg Maternity
For Two Fitness Size Lg Maternity
New With Tags BadgeNew With Tags

View Product: For Two Fitness Size Lg Maternity

For Two Fitness

Size Lg Maternity
$22.99 $71

$16.09 30% off with

For Two Fitness Size Lg Maternity
For Two Fitness Size Lg Maternity
New With Tags BadgeNew With Tags

View Product: For Two Fitness Size Lg Maternity

For Two Fitness

Size Lg Maternity
$22.99 $71

$16.09 30% off with

Gap Size XS Maternity
Gap Size XS Maternity

View Product: Gap Size XS Maternity

Gap

Size XS Maternity
$18.99 $60

$13.29 30% off with

A Pea in the Pod Size Lg Maternity
A Pea in the Pod Size Lg Maternity
Price Drop BadgePrice Drop

View Product: A Pea in the Pod Size Lg Maternity

A Pea in the Pod

Size Lg Maternity
$25.99 $89

$15.59 40% off with

Beyond the Bump by Beyond Yoga Size XS Maternity
Beyond the Bump by Beyond Yoga Size XS Maternity

View Product: Beyond the Bump by Beyond Yoga Size XS Maternity

Beyond the Bump by Beyond Yoga

Size XS Maternity
$58.99 $143

$41.29 30% off with

Active by Old Navy Size XS Maternity
Active by Old Navy Size XS Maternity
Price Drop BadgePrice Drop

View Product: Active by Old Navy Size XS Maternity

Active by Old Navy

Size XS Maternity
$15.99 $33

$7.99 50% off with

Old Navy Size Sm Maternity
Old Navy Size Sm Maternity
Price Drop BadgePrice Drop

View Product: Old Navy Size Sm Maternity

Old Navy

Size Sm Maternity
$14.99 $35

$8.99 40% off with

Zaggora Size Med Maternity
Zaggora Size Med Maternity

View Product: Zaggora Size Med Maternity

Zaggora

Size Med Maternity
$36.99 $214

$25.89 30% off with

Old Navy - Maternity Size XXL Maternity
Old Navy - Maternity Size XXL Maternity

View Product: Old Navy - Maternity Size XXL Maternity

Old Navy - Maternity

Size XXL Maternity
$18.99 $36
Isabel Maternity Size Med Maternity
Isabel Maternity Size Med Maternity

View Product: Isabel Maternity Size Med Maternity

Isabel Maternity

Size Med Maternity
$14.99 $22
Ingrid + Isabel Size Med Maternity
Ingrid + Isabel Size Med Maternity

View Product: Ingrid + Isabel Size Med Maternity

Ingrid + Isabel

Size Med Maternity
$39.99 $89
Gap Fit Maternity Size Sm Maternity
Gap Fit Maternity Size Sm Maternity

View Product: Gap Fit Maternity Size Sm Maternity

Gap Fit Maternity

Size Sm Maternity
$24.99 $71
Gap Fit Maternity Size Med Maternity
Gap Fit Maternity Size Med Maternity

View Product: Gap Fit Maternity Size Med Maternity

Gap Fit Maternity

Size Med Maternity
$26.99 $71
Gap Fit Maternity Size Med Maternity
Gap Fit Maternity Size Med Maternity

View Product: Gap Fit Maternity Size Med Maternity

Gap Fit Maternity

Size Med Maternity
$28.99 $71
Gap Fit Maternity Size Med Maternity
Gap Fit Maternity Size Med Maternity

View Product: Gap Fit Maternity Size Med Maternity

Gap Fit Maternity

Size Med Maternity
$25.99 $71
Active by Old Navy Size Med Maternity
Active by Old Navy Size Med Maternity

View Product: Active by Old Navy Size Med Maternity

Active by Old Navy

Size Med Maternity
$11.99 $17
Beyond the Bump by Beyond Yoga Size Med Maternity
Beyond the Bump by Beyond Yoga Size Med Maternity

View Product: Beyond the Bump by Beyond Yoga Size Med Maternity

Beyond the Bump by Beyond Yoga

Size Med Maternity
$56.99 $143
Gap Fit Maternity Size XL Maternity
Gap Fit Maternity Size XL Maternity

View Product: Gap Fit Maternity Size XL Maternity

Gap Fit Maternity

Size XL Maternity
$22.99 $48
Active by Old Navy Size XS Maternity
Active by Old Navy Size XS Maternity

View Product: Active by Old Navy Size XS Maternity

Active by Old Navy

Size XS Maternity
$11.99 $17
Ingrid + Isabel Size Sm Maternity
Ingrid + Isabel Size Sm Maternity

View Product: Ingrid + Isabel Size Sm Maternity

Ingrid + Isabel

Size Sm Maternity
$30.99 $89
Motherhood Size Sm Maternity
Motherhood Size Sm Maternity

View Product: Motherhood Size Sm Maternity

Motherhood

Size Sm Maternity
$34.99 $60
Gap Fit Maternity Size Med Maternity
Gap Fit Maternity Size Med Maternity

View Product: Gap Fit Maternity Size Med Maternity

Gap Fit Maternity

Size Med Maternity
$25.99 $71
Gap Fit Maternity Size Med Maternity
Gap Fit Maternity Size Med Maternity

View Product: Gap Fit Maternity Size Med Maternity

Gap Fit Maternity

Size Med Maternity
$26.99 $71
Gap Fit Maternity Size Lg Maternity
Gap Fit Maternity Size Lg Maternity

View Product: Gap Fit Maternity Size Lg Maternity

Gap Fit Maternity

Size Lg Maternity
$24.99 $71
Gap Fit Maternity Size Med Maternity
Gap Fit Maternity Size Med Maternity

View Product: Gap Fit Maternity Size Med Maternity

Gap Fit Maternity

Size Med Maternity
$24.99 $71
Gap Fit Maternity Size Med Maternity
Gap Fit Maternity Size Med Maternity

View Product: Gap Fit Maternity Size Med Maternity

Gap Fit Maternity

Size Med Maternity
$25.99 $71
Gap Fit Maternity Size Med Maternity
Gap Fit Maternity Size Med Maternity

View Product: Gap Fit Maternity Size Med Maternity

Gap Fit Maternity

Size Med Maternity
$41.99 $119
Terez Size XS Maternity
Terez Size XS Maternity

View Product: Terez Size XS Maternity

Terez

Size XS Maternity
$26.99 $71
Old Navy - Maternity Size XS Maternity
Old Navy - Maternity Size XS Maternity

View Product: Old Navy - Maternity Size XS Maternity

Old Navy - Maternity

Size XS Maternity
$21.99 $36
Pink Blush Size Med Maternity
Pink Blush Size Med Maternity

View Product: Pink Blush Size Med Maternity

Pink Blush

Size Med Maternity
$26.99 $36
Motherhood Size Sm Maternity
Motherhood Size Sm Maternity

View Product: Motherhood Size Sm Maternity

Motherhood

Size Sm Maternity
$21.99 $36
Beyond the Bump by Beyond Yoga Size Sm Maternity
Beyond the Bump by Beyond Yoga Size Sm Maternity

View Product: Beyond the Bump by Beyond Yoga Size Sm Maternity

Beyond the Bump by Beyond Yoga

Size Sm Maternity
$51.99 $143
Assorted Brands Size Med Maternity
Assorted Brands Size Med Maternity

View Product: Assorted Brands Size Med Maternity

Assorted Brands

Size Med Maternity
$17.99 $36
Gap - Maternity Size Med Maternity
Gap - Maternity Size Med Maternity

View Product: Gap - Maternity Size Med Maternity

Gap - Maternity

Size Med Maternity
$18.99 $45
Gap - Maternity Size Sm Maternity
Gap - Maternity Size Sm Maternity

View Product: Gap - Maternity Size Sm Maternity

Gap - Maternity

Size Sm Maternity
$19.99 $45
Cuddl Duds Size Med Maternity
Cuddl Duds Size Med Maternity

View Product: Cuddl Duds Size Med Maternity

Cuddl Duds

Size Med Maternity
$18.99 $36
Isabel Maternity Size Lg Maternity
Isabel Maternity Size Lg Maternity

View Product: Isabel Maternity Size Lg Maternity

Isabel Maternity

Size Lg Maternity
$14.99 $22
Isabel Maternity Size Lg Maternity
Isabel Maternity Size Lg Maternity

View Product: Isabel Maternity Size Lg Maternity

Isabel Maternity

Size Lg Maternity
$14.99 $22
Blanqi Size Sm Maternity
Blanqi Size Sm Maternity

View Product: Blanqi Size Sm Maternity

Blanqi

Size Sm Maternity
$47.99 $89
Blanqi Size Sm Maternity
Blanqi Size Sm Maternity

View Product: Blanqi Size Sm Maternity

Blanqi

Size Sm Maternity
$57.99 $89
H&M Mama Size Lg Maternity
H&M Mama Size Lg Maternity

View Product: H&M Mama Size Lg Maternity

H&M Mama

Size Lg Maternity
$22.99 $36
Beyond the Bump by Beyond Yoga Size Lg Maternity
Beyond the Bump by Beyond Yoga Size Lg Maternity

View Product: Beyond the Bump by Beyond Yoga Size Lg Maternity

Beyond the Bump by Beyond Yoga

Size Lg Maternity
$85.99 $238
Be Maternity Size Lg Maternity
Be Maternity Size Lg Maternity

View Product: Be Maternity Size Lg Maternity

Be Maternity

Size Lg Maternity
$18.99 $22
Gap Fit Size Sm Maternity
Gap Fit Size Sm Maternity

View Product: Gap Fit Size Sm Maternity

Gap Fit

Size Sm Maternity
$12.99 $30
Gap Fit Size XS Maternity
Gap Fit Size XS Maternity

View Product: Gap Fit Size XS Maternity

Gap Fit

Size XS Maternity
$22.99 $55
Gap Fit Maternity Size Med Maternity
Gap Fit Maternity Size Med Maternity

View Product: Gap Fit Maternity Size Med Maternity

Gap Fit Maternity

Size Med Maternity
$23.99 $71
Active by Old Navy Size Med Maternity
Active by Old Navy Size Med Maternity

View Product: Active by Old Navy Size Med Maternity

Active by Old Navy

Size Med Maternity
$21.99 $33
BeMaternity by Ingrid & Isabel Size XS Maternity
BeMaternity by Ingrid & Isabel Size XS Maternity

View Product: BeMaternity by Ingrid & Isabel Size XS Maternity

BeMaternity by Ingrid & Isabel

Size XS Maternity
$17.99 $27
Gap Fit Maternity Size Med Maternity
Gap Fit Maternity Size Med Maternity

View Product: Gap Fit Maternity Size Med Maternity

Gap Fit Maternity

Size Med Maternity
$20.99 $48
Hatch Size Med Maternity
Hatch Size Med Maternity

View Product: Hatch Size Med Maternity

Hatch

Size Med Maternity
$33.99 $161
Beyond the Bump by Beyond Yoga Size Med Maternity
Beyond the Bump by Beyond Yoga Size Med Maternity

View Product: Beyond the Bump by Beyond Yoga Size Med Maternity

Beyond the Bump by Beyond Yoga

Size Med Maternity
$54.99 $143
Isabel Maternity Size Sm Maternity
Isabel Maternity Size Sm Maternity

View Product: Isabel Maternity Size Sm Maternity

Isabel Maternity

Size Sm Maternity
$13.99 $22
Ingrid + Isabel Size Med Maternity
Ingrid + Isabel Size Med Maternity

View Product: Ingrid + Isabel Size Med Maternity

Ingrid + Isabel

Size Med Maternity
$33.99 $89
For Two Fitness Size Lg Maternity
For Two Fitness Size Lg Maternity
New With Tags BadgeNew With Tags

View Product: For Two Fitness Size Lg Maternity

For Two Fitness

Size Lg Maternity
$28.99 $71

$20.29 30% off with

Unbranded Size Lg Maternity
Unbranded Size Lg Maternity

View Product: Unbranded Size Lg Maternity

Unbranded

Size Lg Maternity
$11.99 $24

$9.59 20% off with

Athleta Size P Maternity
Athleta Size P Maternity

View Product: Athleta Size P Maternity

Athleta

Size P Maternity
$26.99 $95

$21.59 20% off with

Cantaloop Size Med Maternity
Cantaloop Size Med Maternity

View Product: Cantaloop Size Med Maternity

Cantaloop

Size Med Maternity
$17.99 $45

$14.39 20% off with

Motherhood Size XL Maternity
Motherhood Size XL Maternity

View Product: Motherhood Size XL Maternity

Motherhood

Size XL Maternity
$20.99 $36

$16.79 20% off with

Motherhood Size Med Maternity
Motherhood Size Med Maternity

View Product: Motherhood Size Med Maternity

Motherhood

Size Med Maternity
$18.99 $36

$15.19 20% off with

Unbranded Size Med Maternity
Unbranded Size Med Maternity

View Product: Unbranded Size Med Maternity

Unbranded

Size Med Maternity
$14.99 $36

$11.99 20% off with

Senita Athletics Size Sm Maternity
Senita Athletics Size Sm Maternity

View Product: Senita Athletics Size Sm Maternity

Senita Athletics

Size Sm Maternity
$16.99 $27

$13.59 20% off with

For Two Fitness Size Lg Maternity
For Two Fitness Size Lg Maternity

View Product: For Two Fitness Size Lg Maternity

For Two Fitness

Size Lg Maternity
$23.99 $71

$16.79 30% off with

Gap Fit Size 5 Maternity
Gap Fit Size 5 Maternity

View Product: Gap Fit Size 5 Maternity

Gap Fit

Size 5 Maternity
$15.99 $35

$11.19 30% off with