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.

50,000+ items
Lululemon Athletica Size 6

View Product: Lululemon Athletica Size 6

Lululemon Athletica

Size 6
$29.99 $62
Nike Size Med

View Product: Nike Size Med

Nike

Size Med
$21.99 $51
Lululemon Athletica Size 2

View Product: Lululemon Athletica Size 2

Lululemon Athletica

Size 2
$29.99 $62
Nike Size XS

View Product: Nike Size XS

Nike

Size XS
$11.99 $20.99
Lululemon Athletica Size 6

View Product: Lululemon Athletica Size 6

Lululemon Athletica

Size 6
$29.99 $62
Lululemon Athletica Size 2

View Product: Lululemon Athletica Size 2

Lululemon Athletica

Size 2
$47.99 $105
Lululemon Athletica Size 6
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View Product: Lululemon Athletica Size 6

Lululemon Athletica

Size 6
$30.99 $58

$18.59 40% off with

Nike Size Med

View Product: Nike Size Med

Nike

Size Med
$27.99 $57

$19.59 30% 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

Nike Size XS
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View Product: Nike Size XS

Nike

Size XS
$19.99 $54

$11.99 40% off with

Nike Size XS
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View Product: Nike Size XS

Nike

Size XS
$19.99 $54

$11.99 40% off with

Nike Size XS
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View Product: Nike Size XS

Nike

Size XS
$19.99 $54

$11.99 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

Nike Size XS
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View Product: Nike Size XS

Nike

Size XS
$19.99 $54

$11.99 40% off with

Adidas Size Lg

View Product: Adidas Size Lg

Adidas

Size Lg
$28.99 $71

$20.29 30% off with

Lululemon Athletica Size 4

View Product: Lululemon Athletica Size 4

Lululemon Athletica

Size 4
$28.99 $58

$20.29 30% off with

Adidas Size Med
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View Product: Adidas Size Med

Adidas

Size Med
$20.99 $71

$10.49 50% off with

Adidas Size Med
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View Product: Adidas Size Med

Adidas

Size Med
$20.99 $71

$10.49 50% off with

Adidas Size Med
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View Product: Adidas Size Med

Adidas

Size Med
$20.99 $71

$10.49 50% off with

Adidas Size Sm
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View Product: Adidas Size Sm

Adidas

Size Sm
$21.99 $71

$10.99 50% off with

Adidas Size Med
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View Product: Adidas Size Med

Adidas

Size Med
$20.99 $71

$10.49 50% off with

Adidas Size Med
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View Product: Adidas Size Med

Adidas

Size Med
$20.99 $71

$10.49 50% off with

Nike Size XS
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View Product: Nike Size XS

Nike

Size XS
$21.99 $89

$10.99 50% off with

Lululemon Athletica Size 6
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View Product: Lululemon Athletica Size 6

Lululemon Athletica

Size 6
$51.99 $98

$31.19 40% off with

Adidas Size XS

View Product: Adidas Size XS

Adidas

Size XS
$16.99 $71

$11.89 30% off with

Nike Size Sm

View Product: Nike Size Sm

Nike

Size Sm
$23.99 $48

$16.79 30% off with

Adidas Size XL

View Product: Adidas Size XL

Adidas

Size XL
$26.99 $71

$18.89 30% 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

Nike Size Med

View Product: Nike Size Med

Nike

Size Med
$36.99 $57

$25.89 30% off with

Adidas Size XS
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View Product: Adidas Size XS

Adidas

Size XS
$18.99 $71

$11.39 40% off with

Nike Size Lg
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View Product: Nike Size Lg

Nike

Size Lg
$19.99 $54

$11.99 40% off with

Lululemon Athletica Size 4

View Product: Lululemon Athletica Size 4

Lululemon Athletica

Size 4
$28.99 $62

$20.29 30% off with

Lululemon Athletica Size 4
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View Product: Lululemon Athletica Size 4

Lululemon Athletica

Size 4
$36.99 $98

$18.50 50% off with

Nike Size Sm

View Product: Nike Size Sm

Nike

Size Sm
$22.99 $54

$16.09 30% off with

Lululemon Athletica Size 4

View Product: Lululemon Athletica Size 4

Lululemon Athletica

Size 4
$25.99 $62

$18.19 30% off with

Lululemon Athletica Size 8

View Product: Lululemon Athletica Size 8

Lululemon Athletica

Size 8
$87.99 $118

$70.39 20% off with

Lululemon Athletica Size 4
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View Product: Lululemon Athletica Size 4

Lululemon Athletica

Size 4
$48.99 $98

$29.39 40% off with

Lululemon Athletica Size 8

View Product: Lululemon Athletica Size 8

Lululemon Athletica

Size 8
$33.99 $58

$23.79 30% off with

Lululemon Athletica Size 4

View Product: Lululemon Athletica Size 4

Lululemon Athletica

Size 4
$26.99 $58

$18.89 30% 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

Aerie Size XXL
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View Product: Aerie Size XXL

Aerie

Size XXL
$15.99 $36

$9.59 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 Sm
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View Product: Nike Size Sm

Nike

Size Sm
$16.99 $54

$10.19 40% off with

Forever 21 Size Med

View Product: Forever 21 Size Med

Forever 21

Size Med
$14.99 $15

$10.49 30% off with

SO Size Med

View Product: SO Size Med

SO

Size Med
$14.99 $22

$10.49 30% off with

Lululemon Athletica Size 4
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View Product: Lululemon Athletica Size 4

Lululemon Athletica

Size 4
$31.99 $98

$15.99 50% off with

Lululemon Athletica Size 8
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View Product: Lululemon Athletica Size 8

Lululemon Athletica

Size 8
$47.99 $98

$28.79 40% off with

Zara Size Sm

View Product: Zara Size Sm

Zara

Size Sm
$31.99 $40

$22.39 30% off with

Lululemon Athletica Size 2

View Product: Lululemon Athletica Size 2

Lululemon Athletica

Size 2
$31.99 $58

$22.39 30% off with

Nike Size Lg
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View Product: Nike Size Lg

Nike

Size Lg
$20.99 $54

$12.59 40% off with

Adidas Size Lg
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View Product: Adidas Size Lg

Adidas

Size Lg
$20.99 $71

$12.59 40% off with

Nike Size Lg
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View Product: Nike Size Lg

Nike

Size Lg
$20.99 $54

$12.59 40% off with

Nike Size XL
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View Product: Nike Size XL

Nike

Size XL
$20.99 $54

$12.59 40% off with

Nike Size Lg
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View Product: Nike Size Lg

Nike

Size Lg
$20.99 $54

$12.59 40% off with

Adidas Size XS
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View Product: Adidas Size XS

Adidas

Size XS
$20.99 $71

$10.49 50% off with

Adidas Size Med
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View Product: Adidas Size Med

Adidas

Size Med
$19.99 $71

$9.99 50% off with

Adidas Size Sm
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View Product: Adidas Size Sm

Adidas

Size Sm
$21.99 $71

$10.99 50% off with

Adidas Size Med
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View Product: Adidas Size Med

Adidas

Size Med
$20.99 $71

$10.49 50% off with

Adidas Size Med
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View Product: Adidas Size Med

Adidas

Size Med
$19.99 $71

$9.99 50% off with

Adidas Size Sm
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View Product: Adidas Size Sm

Adidas

Size Sm
$21.99 $71

$10.99 50% off with

Nike Size Med
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View Product: Nike Size Med

Nike

Size Med
$20.99 $54

$12.59 40% off with

Adidas Size Med
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View Product: Adidas Size Med

Adidas

Size Med
$20.99 $71

$12.59 40% off with

Nike Size Med
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View Product: Nike Size Med

Nike

Size Med
$20.99 $54

$12.59 40% off with

Nike Size Med
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View Product: Nike Size Med

Nike

Size Med
$20.99 $54

$12.59 40% off with

Adidas Size XS

View Product: Adidas Size XS

Adidas

Size XS
$26.99 $51

$18.89 30% off with

Nike Size XS
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View Product: Nike Size XS

Nike

Size XS
$20.99 $54

$12.59 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 Sm
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View Product: Adidas Size Sm

Adidas

Size Sm
$20.99 $71

$12.59 40% off with

Adidas Size Sm
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View Product: Adidas Size Sm

Adidas

Size Sm
$20.99 $71

$12.59 40% off with

Adidas Size Med
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View Product: Adidas Size Med

Adidas

Size Med
$21.99 $71

$13.19 40% off with

Adidas Size Sm
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View Product: Adidas Size Sm

Adidas

Size Sm
$20.99 $71

$12.59 40% off with

Garage Size XS
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View Product: Garage Size XS

Garage

Size XS
$15.99 $27

$9.59 40% off with

Aerie Size Sm
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View Product: Aerie Size Sm

Aerie

Size Sm
$15.99 $36

$9.59 40% off with

Victoria's Secret Pink Size Sm

View Product: Victoria's Secret Pink Size Sm

Victoria's Secret Pink

Size Sm
$27.99 $38

$19.59 30% off with

Lululemon Athletica Size 6

View Product: Lululemon Athletica Size 6

Lululemon Athletica

Size 6
$32.99 $58

$23.09 30% off with

Lululemon Athletica Size 2

View Product: Lululemon Athletica Size 2

Lululemon Athletica

Size 2
$27.99 $58

$19.59 30% off with

Adidas Size Sm
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View Product: Adidas Size Sm

Adidas

Size Sm
$21.99 $71

$13.19 40% off with

Nike Size XS
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View Product: Nike Size XS

Nike

Size XS
$21.99 $54

$13.19 40% off with

Lululemon Athletica Size 8
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View Product: Lululemon Athletica Size 8

Lululemon Athletica

Size 8
$59.99 $118

$30.00 50% off with

Lululemon Athletica Size 4
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View Product: Lululemon Athletica Size 4

Lululemon Athletica

Size 4
$29.99 $58

$17.99 40% off with

Lululemon Athletica Size 4
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View Product: Lululemon Athletica Size 4

Lululemon Athletica

Size 4
$26.99 $58

$16.19 40% off with

Lululemon Athletica Size 4
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View Product: Lululemon Athletica Size 4

Lululemon Athletica

Size 4
$23.99 $48

$14.39 40% off with

Nike Size Lg
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View Product: Nike Size Lg

Nike

Size Lg
$20.99 $54

$10.49 50% off with

Nike Size Lg
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View Product: Nike Size Lg

Nike

Size Lg
$20.99 $54

$10.49 50% off with

Nike Size XS
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View Product: Nike Size XS

Nike

Size XS
$17.99 $54

$8.99 50% off with

Nike Size Lg
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View Product: Nike Size Lg

Nike

Size Lg
$18.99 $48

$11.39 40% off with

Nike Size Sm
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View Product: Nike Size Sm

Nike

Size Sm
$30.99 $89

$18.59 40% off with

Nike Size XS

View Product: Nike Size XS

Nike

Size XS
$41.99 $95

$29.39 30% off with

Adidas Size Sm
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View Product: Adidas Size Sm

Adidas

Size Sm
$19.99 $71

$11.99 40% off with

Lululemon Athletica Size 6
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View Product: Lululemon Athletica Size 6

Lululemon Athletica

Size 6
$31.99 $98

$15.99 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

Lululemon Athletica Size 4
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View Product: Lululemon Athletica Size 4

Lululemon Athletica

Size 4
$46.99 $98

$23.50 50% off with

Lululemon Athletica Size 2
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