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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.

8,079 items·
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Filtering byJuniors: activewear
    Lululemon Athletica Size 4
    Price Drop
    View Product: Lululemon Athletica Size 4

    Lululemon Athletica

    Size 4
    $76.99 $98

    $53.89 30% off with

    Material Girl Size XL
    Price Drop
    View Product: Material Girl Size XL

    Material Girl

    Size XL
    $12.99 $36

    $7.79 40% off with

    Forever 21 Size Med
    View Product: Forever 21 Size Med

    Forever 21

    Size Med
    $11.99 $20

    $8.39 30% off with

    Forever 21 Size Sm
    View Product: Forever 21 Size Sm

    Forever 21

    Size Sm
    $7.99 $20

    $5.59 30% off with

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

    Victoria's Secret Pink

    Size Sm
    $13.99 $36

    $9.79 30% off with

    Topshop Size 6
    Price Drop
    View Product: Topshop Size 6

    Topshop

    Size 6
    $15.99 $74

    $9.59 40% off with

    Aerie Size XS
    View Product: Aerie Size XS

    Aerie

    Size XS
    $11.99 $36

    $8.39 30% off with

    Nike Size XS
    View Product: Nike Size XS

    Nike

    Size XS
    $21.99 $54

    $15.39 30% off with

    Nike Size Sm
    View Product: Nike Size Sm

    Nike

    Size Sm
    $20.99 $54

    $14.69 30% off with

    Nike Size Sm
    Price Drop
    View Product: Nike Size Sm

    Nike

    Size Sm
    $12.99 $54

    $6.49 50% off with

    Aerie Size XS
    Price Drop
    View Product: Aerie Size XS

    Aerie

    Size XS
    $14.99 $36

    $10.49 30% off with

    Nike Size Sm
    Price Drop
    View Product: Nike Size Sm

    Nike

    Size Sm
    $12.99 $54

    $7.79 40% off with

    SO Size XL
    View Product: SO Size XL

    SO

    Size XL
    $8.99 $22

    $6.29 30% off with

    American Eagle Outfitters Size Sm
    View Product: American Eagle Outfitters Size Sm

    American Eagle Outfitters

    Size Sm
    $10.99 $30

    $7.69 30% off with

    Aerie Size XS
    View Product: Aerie Size XS

    Aerie

    Size XS
    $12.99 $36

    $9.09 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 Med
    View Product: Nike Size Med

    Nike

    Size Med
    $21.99 $89

    $15.39 30% off with

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

    Victoria's Secret Pink

    Size XS
    $13.99 $36

    $9.79 30% off with

    Aerie Size XS
    View Product: Aerie Size XS

    Aerie

    Size XS
    $12.99 $36

    $9.09 30% off with

    Assorted Brands Size 1
    Price Drop
    View Product: Assorted Brands Size 1

    Assorted Brands

    Size 1
    $12.99 $71

    $6.49 50% off with

    No Boundaries Size XL
    View Product: No Boundaries Size XL

    No Boundaries

    Size XL
    $11.99 $30

    $8.39 30% off with

    Lululemon Athletica Size 6
    View Product: Lululemon Athletica Size 6

    Lululemon Athletica

    Size 6
    $47.99 $98

    $38.39 20% off with

    Surrealist Size 3
    Price Drop
    View Product: Surrealist Size 3

    Surrealist

    Size 3
    $4.99 $18

    $2.49 50% off with

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

    Victoria's Secret Pink

    Size XS
    $13.99 $36

    $9.79 30% off with

    Forever 21 Size Med
    View Product: Forever 21 Size Med

    Forever 21

    Size Med
    $8.99 $20

    $6.29 30% off with

    Adidas Size Med
    View Product: Adidas Size Med

    Adidas

    Size Med
    $14.99 $71

    $10.49 30% off with

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

    Victoria's Secret Pink

    Size Sm
    $10.99 $36

    $7.69 30% off with

    Adidas Size XS
    Price Drop
    View Product: Adidas Size XS

    Adidas

    Size XS
    $10.99 $71

    $5.49 50% off with

    Derek Heart Size Sm
    View Product: Derek Heart Size Sm

    Derek Heart

    Size Sm
    $8.99 $22

    $6.29 30% off with

    Forever 21 Size Med
    View Product: Forever 21 Size Med

    Forever 21

    Size Med
    $8.99 $20

    $6.29 30% off with

    Nike Size Lg
    Price Drop
    View Product: Nike Size Lg

    Nike

    Size Lg
    $14.99 $54

    $7.49 50% off with

    Adidas Size Sm
    Price Drop
    View Product: Adidas Size Sm

    Adidas

    Size Sm
    $15.99 $71

    $11.19 30% off with

    Nike Size XS
    View Product: Nike Size XS

    Nike

    Size XS
    $20.99 $54

    $14.69 30% off with

    H&M Size Sm
    View Product: H&M Size Sm

    H&M

    Size Sm
    $10.99 $30

    $7.69 30% off with

    Boom Boom Jeans Size Lg
    View Product: Boom Boom Jeans Size Lg

    Boom Boom Jeans

    Size Lg
    $13.99 $27

    $9.79 30% off with

    Nike Size 4
    Price Drop
    View Product: Nike Size 4

    Nike

    Size 4
    $11.99 $54

    $5.99 50% off with

    Lululemon Athletica Size 4
    View Product: Lululemon Athletica Size 4

    Lululemon Athletica

    Size 4
    $49.99 $98

    $39.99 20% off with

    Lululemon Athletica Size 4
    View Product: Lululemon Athletica Size 4

    Lululemon Athletica

    Size 4
    $47.99 $98

    $38.39 20% off with

    Lululemon Athletica Size 4
    View Product: Lululemon Athletica Size 4

    Lululemon Athletica

    Size 4
    $34.99 $98

    $27.99 20% off with

    Nike Size Med
    View Product: Nike Size Med

    Nike

    Size Med
    $10.99 $54

    $7.69 30% off with

    Adidas Size XS
    View Product: Adidas Size XS

    Adidas

    Size XS
    $18.99 $71

    $13.29 30% off with

    Adidas Size Med
    Price Drop
    View Product: Adidas Size Med

    Adidas

    Size Med
    $21.99 $71

    $15.39 30% off with

    Forever 21 Size Sm
    View Product: Forever 21 Size Sm

    Forever 21

    Size Sm
    $11.99 $25

    $8.39 30% off with

    C9 By Champion Size 9
    View Product: C9 By Champion Size 9

    C9 By Champion

    Size 9
    $8.99 $22

    $6.29 30% off with

    Adidas Size 6
    Price Drop
    View Product: Adidas Size 6

    Adidas

    Size 6
    $13.99 $71

    $8.39 40% off with

    Aerie Size Med
    View Product: Aerie Size Med

    Aerie

    Size Med
    $12.99 $36

    $9.09 30% off with

    Nike Size Sm
    Price Drop
    View Product: Nike Size Sm

    Nike

    Size Sm
    $18.99 $54

    $11.39 40% off with

    Nike Size XS
    Price Drop
    View Product: Nike Size XS

    Nike

    Size XS
    $19.99 $54

    $9.99 50% off with

    Nike Size XS
    Price Drop
    View Product: Nike Size XS

    Nike

    Size XS
    $15.99 $54

    $7.99 50% off with

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

    Victoria's Secret Pink

    Size XS
    $13.99 $36

    $8.39 40% off with