Juniors' Activewear

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Whether you're at the gym, on the track, or in PE, you want to look good and feel comfortable. Shop juniors' activewear at thredUP to find great clothes at prices that are up to 90% off estimated retail.

432 items·
Filtering byJuniors: activewear
Adidas Size XS
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View Product: Adidas Size XS

Adidas

Size XS
$25.99 $71

$15.59 40% off with

Aero Size XL
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View Product: Aero Size XL

Aero

Size XL
$7.99 $27

$4.79 40% off with

Nike Size Sm
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View Product: Nike Size Sm

Nike

Size Sm
$24.99 $71

$14.99 40% off with

Victoria's Secret Pink Size XS
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View Product: Victoria's Secret Pink Size XS

Victoria's Secret Pink

Size XS
$9.99 $36

$5.99 40% off with

Athleta Size 7
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View Product: Athleta Size 7

Athleta

Size 7
$16.99 $78

$8.49 50% off with

Adidas Size XS
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View Product: Adidas Size XS

Adidas

Size XS
$17.99 $71

$10.79 40% off with

Lululemon Athletica Size 4
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View Product: Lululemon Athletica Size 4

Lululemon Athletica

Size 4
$38.99 $98

$19.50 50% off with

Lululemon Athletica Size 4
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View Product: Lululemon Athletica Size 4

Lululemon Athletica

Size 4
$36.99 $98

$22.19 40% off with

Nike Size Sm
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View Product: Nike Size Sm

Nike

Size Sm
$17.99 $54

$10.79 40% off with

Adidas Size XS
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View Product: Adidas Size XS

Adidas

Size XS
$33.99 $80

$20.39 40% off with

Adidas Size Lg
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View Product: Adidas Size Lg

Adidas

Size Lg
$28.99 $119

$17.39 40% off with

Adidas Size Med
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View Product: Adidas Size Med

Adidas

Size Med
$14.99 $71

$8.99 40% off with

Nike Size Sm
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View Product: Nike Size Sm

Nike

Size Sm
$16.99 $54

$10.19 40% off with

Nike Size XS
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View Product: Nike Size XS

Nike

Size XS
$15.99 $54

$7.99 50% off with

Victoria's Secret Pink Size Sm
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View Product: Victoria's Secret Pink Size Sm

Victoria's Secret Pink

Size Sm
$14.99 $36

$8.99 40% off with

Adidas Size Sm
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View Product: Adidas Size Sm

Adidas

Size Sm
$14.99 $71

$7.49 50% off with

Adidas Size Sm
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View Product: Adidas Size Sm

Adidas

Size Sm
$15.99 $71

$9.59 40% off with

Nike Size Sm
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View Product: Nike Size Sm

Nike

Size Sm
$19.99 $54

$11.99 40% off with

Energie Size Med
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View Product: Energie Size Med

Energie

Size Med
$4.99 $22

$2.99 40% off with

Adidas Size XS
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View Product: Adidas Size XS

Adidas

Size XS
$17.99 $71

$10.79 40% off with

Nike Size Sm
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View Product: Nike Size Sm

Nike

Size Sm
$10.99 $54

$5.49 50% off with

Nike Size XS
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View Product: Nike Size XS

Nike

Size XS
$9.99 $54

$5.99 40% off with

Nike Size XS
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View Product: Nike Size XS

Nike

Size XS
$9.99 $54

$4.99 50% off with

Victoria's Secret Pink Size XS
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View Product: Victoria's Secret Pink Size XS

Victoria's Secret Pink

Size XS
$19.99 $60

$11.99 40% off with

Nike Size Sm
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View Product: Nike Size Sm

Nike

Size Sm
$21.99 $54

$13.19 40% off with

Nike Size Sm
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View Product: Nike Size Sm

Nike

Size Sm
$10.99 $54

$5.49 50% off with

Nike Size XS
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View Product: Nike Size XS

Nike

Size XS
$13.99 $54

$6.99 50% off with

Nike Size XS
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View Product: Nike Size XS

Nike

Size XS
$15.99 $54

$7.99 50% off with

Nike Size Sm
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View Product: Nike Size Sm

Nike

Size Sm
$14.99 $54

$8.99 40% off with

Nike Size Sm
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View Product: Nike Size Sm

Nike

Size Sm
$20.99 $54

$12.59 40% off with

Adidas Size Lg
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View Product: Adidas Size Lg

Adidas

Size Lg
$30.99 $71

$18.59 40% off with

Black Heart Size Sm
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View Product: Black Heart Size Sm

Black Heart

Size Sm
$8.99 $36

$5.39 40% off with

Danskin Now Size 7
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View Product: Danskin Now Size 7

Danskin Now

Size 7
$7.99 $18

$4.79 40% off with

Forever 21 Size XS
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View Product: Forever 21 Size XS

Forever 21

Size XS
$5.99 $18

$2.99 50% off with

Victoria's Secret Pink Size Sm
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View Product: Victoria's Secret Pink Size Sm

Victoria's Secret Pink

Size Sm
$12.99 $36

$7.79 40% off with

Inspired Hearts Size 10
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View Product: Inspired Hearts Size 10

Inspired Hearts

Size 10
$5.99 $18

$2.99 50% off with

Nike Size Sm
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View Product: Nike Size Sm

Nike

Size Sm
$15.99 $54

$9.59 40% off with

Mossimo Supply Co. Size XL
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View Product: Mossimo Supply Co. Size XL

Mossimo Supply Co.

Size XL
$7.99 $18

$3.99 50% off with

Nike Size Sm
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View Product: Nike Size Sm

Nike

Size Sm
$16.99 $54

$10.19 40% off with

Rampage Size XL
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View Product: Rampage Size XL

Rampage

Size XL
$13.99 $36

$8.39 40% off with

SO Size Sm
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View Product: SO Size Sm

SO

Size Sm
$7.99 $22

$4.79 40% off with

Adidas Size Sm
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View Product: Adidas Size Sm

Adidas

Size Sm
$13.99 $71

$6.99 50% off with

Nike Size Sm
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View Product: Nike Size Sm

Nike

Size Sm
$18.99 $54

$11.39 40% off with

Nike Size Sm
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View Product: Nike Size Sm

Nike

Size Sm
$18.99 $54

$11.39 40% off with

Victoria's Secret Pink Size XS
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View Product: Victoria's Secret Pink Size XS

Victoria's Secret Pink

Size XS
$18.99 $60

$11.39 40% off with

Adidas Size Med
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View Product: Adidas Size Med

Adidas

Size Med
$17.99 $71

$10.79 40% off with

Nike Size 8
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View Product: Nike Size 8

Nike

Size 8
$12.99 $54

$7.79 40% off with

Good American Size 5
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View Product: Good American Size 5

Good American

Size 5
$33.99 $119

$17.00 50% off with

Nike Size XS
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View Product: Nike Size XS

Nike

Size XS
$13.99 $54

$8.39 40% off with

Nike Size Sm
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View Product: Nike Size Sm

Nike

Size Sm
$18.99 $54

$11.39 40% off with