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Girls' Swimwear

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Whether it's for summertime or swimming lessons, your girls need the right gear for when they dive into the water. Check out thredUP's selection of girls' swimwear to discover items from top brands at up to 90% off estimated retail.

644 items·
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Filtering byGirls: swimwear
    Radicool Size 10
    Price Drop
    View Product: Radicool Size 10

    Radicool

    Size 10
    $10.99 $23

    $7.69 30% off with

    Radicool Size 12
    Price Drop
    View Product: Radicool Size 12

    Radicool

    Size 12
    $10.99 $23

    $7.69 30% off with

    Juicy Couture Size 12 mo
    Price Drop
    View Product: Juicy Couture Size 12 mo

    Juicy Couture

    Size 12 mo
    $15.99 $61

    $11.19 30% off with

    Assorted Brands Size 12
    Price Drop
    View Product: Assorted Brands Size 12

    Assorted Brands

    Size 12
    $14.99 $31

    $10.49 30% off with

    Assorted Brands Size 12
    Price Drop
    View Product: Assorted Brands Size 12

    Assorted Brands

    Size 12
    $14.99 $31

    $10.49 30% off with

    Assorted Brands Size 12
    Price Drop
    View Product: Assorted Brands Size 12

    Assorted Brands

    Size 12
    $14.99 $31

    $10.49 30% off with

    Assorted Brands Size 12
    Price Drop
    View Product: Assorted Brands Size 12

    Assorted Brands

    Size 12
    $14.99 $31

    $10.49 30% off with

    Assorted Brands Size 12
    Price Drop
    View Product: Assorted Brands Size 12

    Assorted Brands

    Size 12
    $14.99 $31

    $10.49 30% off with

    Assorted Brands Size 12
    Price Drop
    View Product: Assorted Brands Size 12

    Assorted Brands

    Size 12
    $13.99 $31

    $9.79 30% off with

    Assorted Brands Size 18-24 mo
    View Product: Assorted Brands Size 18-24 mo

    Assorted Brands

    Size 18-24 mo
    $9.99 $20

    $6.99 30% off with

    Justice Size 6
    View Product: Justice Size 6

    Justice

    Size 6
    $20.99 $33

    $14.69 30% off with

    Ralph by Ralph Lauren Size 14
    Price Drop
    View Product: Ralph by Ralph Lauren Size 14

    Ralph by Ralph Lauren

    Size 14
    $12.99 $38

    $9.09 30% off with

    Assorted Brands Size 12 mo
    Price Drop
    View Product: Assorted Brands Size 12 mo

    Assorted Brands

    Size 12 mo
    $11.99 $49.95

    $5.99 50% off with

    Radicool Size 10
    Price Drop
    View Product: Radicool Size 10

    Radicool

    Size 10
    $10.99 $23

    $7.69 30% off with

    Gymboree Size 12-18 mo
    View Product: Gymboree Size 12-18 mo

    Gymboree

    Size 12-18 mo
    $15.99 $25

    $11.19 30% off with

    Juicy Couture Size 6-12 mo
    Price Drop
    View Product: Juicy Couture Size 6-12 mo

    Juicy Couture

    Size 6-12 mo
    $17.99 $61

    $10.79 40% off with

    Carter's Size 12 mo
    View Product: Carter's Size 12 mo

    Carter's

    Size 12 mo
    $14.99 $34

    $10.49 30% off with

    Baby Buns Size 24 mo
    View Product: Baby Buns Size 24 mo

    Baby Buns

    Size 24 mo
    $17.99 $33

    $12.59 30% off with

    Radicool Size 8
    Price Drop
    View Product: Radicool Size 8

    Radicool

    Size 8
    $10.99 $23

    $7.69 30% off with

    Carter's Size 9 mo
    Price Drop
    View Product: Carter's Size 9 mo

    Carter's

    Size 9 mo
    $11.99 $28

    $7.19 40% off with

    Carter's Size 3-6 mo
    Rare Find
    View Product: Carter's Size 3-6 mo

    Carter's

    Size 3-6 mo
    $15.99 $28

    $11.19 30% off with

    Assorted Brands Size 8
    View Product: Assorted Brands Size 8

    Assorted Brands

    Size 8
    $19.99 $31

    $13.99 30% off with

    Gap Size Small youth
    View Product: Gap Size Small youth

    Gap

    Size Small youth
    $20.99 $40

    $14.69 30% off with

    Janie and Jack Size 2T
    Price Drop
    View Product: Janie and Jack Size 2T

    Janie and Jack

    Size 2T
    $12.99 $39

    $7.79 40% off with

    L.L.Bean Size 5
    Price Drop
    View Product: L.L.Bean Size 5

    L.L.Bean

    Size 5
    $12.99 $26

    $7.79 40% off with

    Assorted Brands Size 6-9 mo
    Price Drop
    View Product: Assorted Brands Size 6-9 mo

    Assorted Brands

    Size 6-9 mo
    $9.99 $20

    $5.99 40% off with

    Disney Size 18 mo
    Price Drop
    View Product: Disney Size 18 mo

    Disney

    Size 18 mo
    $9.99 $20

    $6.99 30% off with

    Roxy Girl Size 2
    View Product: Roxy Girl Size 2

    Roxy Girl

    Size 2
    $14.99 $20

    $10.49 30% off with

    Carter's Size 24 mo
    View Product: Carter's Size 24 mo

    Carter's

    Size 24 mo
    $16.99 $34

    $11.89 30% off with

    Unbranded Size 8
    View Product: Unbranded Size 8

    Unbranded

    Size 8
    $10.99 $31

    $7.69 30% off with

    Disney Size 18 mo
    Price Drop
    View Product: Disney Size 18 mo

    Disney

    Size 18 mo
    $12.99 $20

    $7.79 40% off with

    Baby Gap Size 18-24 mo
    View Product: Baby Gap Size 18-24 mo

    Baby Gap

    Size 18-24 mo
    $13.99 $25

    $9.79 30% off with

    Hanna Andersson Size 110 cm
    Price Drop
    View Product: Hanna Andersson Size 110 cm

    Hanna Andersson

    Size 110 cm
    $19.99 $38

    $13.99 30% off with

    Unbranded Size 8
    View Product: Unbranded Size 8

    Unbranded

    Size 8
    $13.99 $31

    $9.79 30% off with

    Unbranded Size 12
    Price Drop
    View Product: Unbranded Size 12

    Unbranded

    Size 12
    $11.99 $31

    $8.39 30% off with

    Lands' End Size 7
    View Product: Lands' End Size 7

    Lands' End

    Size 7
    $11.99 $23

    $8.39 30% off with

    Cat & Jack Size 6
    Price Drop
    View Product: Cat & Jack Size 6

    Cat & Jack

    Size 6
    $47.99 $143

    $33.59 30% off with

    Gymboree Size 12
    View Product: Gymboree Size 12

    Gymboree

    Size 12
    $13.99 $22

    $9.79 30% off with

    Radicool Size 10
    Price Drop
    View Product: Radicool Size 10

    Radicool

    Size 10
    $10.99 $23

    $7.69 30% off with

    Assorted Brands Size 8
    Price Drop
    View Product: Assorted Brands Size 8

    Assorted Brands

    Size 8
    $14.99 $31

    $10.49 30% off with

    Heat Size 6
    View Product: Heat Size 6

    Heat

    Size 6
    $9.99 $23

    $6.99 30% off with

    Capezio Size Large kids
    View Product: Capezio Size Large kids

    Capezio

    Size Large kids
    $8.99 $23

    $6.29 30% off with

    Joe Boxer Size 6X
    View Product: Joe Boxer Size 6X

    Joe Boxer

    Size 6X
    $10.99 $15

    $7.69 30% off with

    Assorted Brands Size 24 mo
    New with tags
    View Product: Assorted Brands Size 24 mo

    Assorted Brands

    Size 24 mo
    $7.99 $20

    $5.59 30% off with

    Radicool Size 14
    Price Drop
    View Product: Radicool Size 14

    Radicool

    Size 14
    $11.99 $23

    $8.39 30% off with

    Radicool Size 10
    Price Drop
    View Product: Radicool Size 10

    Radicool

    Size 10
    $11.99 $23

    $8.39 30% off with

    Nautica Size 4
    Price Drop
    View Product: Nautica Size 4

    Nautica

    Size 4
    $12.99 $26

    $9.09 30% off with

    Carter's Size 9 mo
    Price Drop
    View Product: Carter's Size 9 mo

    Carter's

    Size 9 mo
    $14.99 $28

    $10.49 30% off with

    Hanna Andersson Size 10
    View Product: Hanna Andersson Size 10

    Hanna Andersson

    Size 10
    $20.99 $38

    $14.69 30% off with

    Assorted Brands Size 4T
    Price Drop
    View Product: Assorted Brands Size 4T

    Assorted Brands

    Size 4T
    $20.99 $51

    $10.49 50% off with

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