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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.

818 items·
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Filtering byGirls: swimwear
    Carter's Size 24 mo
    Price Drop
    View Product: Carter's Size 24 mo

    Carter's

    Size 24 mo
    $15.99 $34

    $9.59 40% off with

    Carter's Size 18 mo
    View Product: Carter's Size 18 mo

    Carter's

    Size 18 mo
    $8.99 $24

    $6.29 30% off with

    Hula Star Size 2T
    Price Drop
    View Product: Hula Star Size 2T

    Hula Star

    Size 2T
    $10.99 $15

    $6.59 40% off with

    Lands' End Size Small kids
    Price Drop
    View Product: Lands' End Size Small kids

    Lands' End

    Size Small kids
    $9.99 $23

    $5.99 40% off with

    Wonder Nation Size 3-6 mo
    Price Drop
    View Product: Wonder Nation Size 3-6 mo

    Wonder Nation

    Size 3-6 mo
    $7.99 $16

    $4.79 40% off with

    Disney Size 12 mo
    Price Drop
    View Product: Disney Size 12 mo

    Disney

    Size 12 mo
    $9.99 $20

    $6.99 30% off with

    Circo Size 9 mo
    Price Drop
    View Product: Circo Size 9 mo

    Circo

    Size 9 mo
    $6.99 $13

    $3.49 50% off with

    Gymboree Size 6-12 mo
    Price Drop
    View Product: Gymboree Size 6-12 mo

    Gymboree

    Size 6-12 mo
    $13.99 $25

    $9.79 30% off with

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

    Assorted Brands

    Size 12
    $11.99 $31

    $7.19 40% off with

    Carter's Size 18 mo
    Price Drop
    View Product: Carter's Size 18 mo

    Carter's

    Size 18 mo
    $12.99 $34

    $7.79 40% off with

    Art Class Size 7
    Price Drop
    View Product: Art Class Size 7

    Art Class

    Size 7
    $23.99 $38

    $14.39 40% off with

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

    Cat & Jack

    Size 6
    $46.99 $143

    $28.19 40% off with

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

    Gymboree

    Size 12-18 mo
    $10.99 $25

    $7.69 30% off with

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

    Assorted Brands

    Size 12 mo
    $14.99 $20

    $10.49 30% off with

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

    Carter's

    Size 9 mo
    $15.99 $28

    $9.59 40% off with

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

    Ralph by Ralph Lauren

    Size 14
    $11.99 $38

    $7.19 40% off with

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

    Baby Buns

    Size 24 mo
    $15.99 $33

    $9.59 40% off with

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

    Carter's

    Size 12 mo
    $13.99 $34

    $8.39 40% off with

    Roxy Girl Size 2
    Price Drop
    View Product: Roxy Girl Size 2

    Roxy Girl

    Size 2
    $13.99 $20

    $8.39 40% off with

    PilyQ Size 10
    New with tags
    View Product: PilyQ Size 10

    PilyQ

    Size 10
    $22.99 $79

    $18.39 20% off with

    Disney Parks Size 6-9 mo
    Price Drop
    View Product: Disney Parks Size 6-9 mo

    Disney Parks

    Size 6-9 mo
    $10.99 $31

    $7.69 30% off with

    Assorted Brands Size 95 cm
    Price Drop
    View Product: Assorted Brands Size 95 cm

    Assorted Brands

    Size 95 cm
    $15.99 $26

    $9.59 40% off with

    OshKosh B'gosh Size 0-3 mo
    Price Drop
    View Product: OshKosh B'gosh Size 0-3 mo

    OshKosh B'gosh

    Size 0-3 mo
    $9.99 $22

    $5.99 40% off with

    L.L.Bean Size 12-18 mo
    Price Drop
    View Product: L.L.Bean Size 12-18 mo

    L.L.Bean

    Size 12-18 mo
    $9.99 $20

    $5.99 40% off with

    Carter's Size 6 mo
    Price Drop
    View Product: Carter's Size 6 mo

    Carter's

    Size 6 mo
    $12.99 $22

    $7.79 40% off with

    Radicool Size 10
    Price Drop
    View Product: Radicool Size 10

    Radicool

    Size 10
    $10.99 $23

    $6.59 40% off with

    Radicool Size 10
    Price Drop
    View Product: Radicool Size 10

    Radicool

    Size 10
    $10.99 $23

    $6.59 40% off with

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

    Assorted Brands

    Size 12
    $12.99 $31

    $7.79 40% off with

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

    Assorted Brands

    Size 12
    $12.99 $31

    $7.79 40% off with

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

    Assorted Brands

    Size 12
    $12.99 $31

    $7.79 40% off with

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

    Assorted Brands

    Size 12
    $12.99 $31

    $7.79 40% off with

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

    Assorted Brands

    Size 12
    $12.99 $31

    $7.79 40% off with

    Hanna Andersson Size 140 cm
    Price Drop
    View Product: Hanna Andersson Size 140 cm

    Hanna Andersson

    Size 140 cm
    $9.99 $38

    $4.99 50% off with

    Old Navy Size 12-18 mo
    Price Drop
    View Product: Old Navy Size 12-18 mo

    Old Navy

    Size 12-18 mo
    $8.99 $17

    $6.29 30% off with

    ZeroXposur Size 12
    Price Drop
    View Product: ZeroXposur Size 12

    ZeroXposur

    Size 12
    $28.99 $38

    $17.39 40% off with

    Unbranded Size 18-24 mo
    Price Drop
    View Product: Unbranded Size 18-24 mo

    Unbranded

    Size 18-24 mo
    $10.99 $20

    $5.49 50% off with

    Nautica Size 4
    Price Drop
    View Product: Nautica Size 4

    Nautica

    Size 4
    $11.99 $26

    $7.19 40% off with

    Assorted Brands Size 10
    Price Drop
    View Product: Assorted Brands Size 10

    Assorted Brands

    Size 10
    $13.99 $31

    $8.39 40% off with

    Unbranded Size 8
    Price Drop
    View Product: Unbranded Size 8

    Unbranded

    Size 8
    $9.99 $31

    $5.99 40% off with

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

    Absorba

    Size 18 mo
    $9.99 $15

    $5.99 40% off with

    Florence Eiseman Size 6 mo
    Rare Find
    View Product: Florence Eiseman Size 6 mo

    Florence Eiseman

    Size 6 mo
    $22.99 $71

    $16.09 30% off with

    Primark Size 6-9 mo
    Price Drop
    View Product: Primark Size 6-9 mo

    Primark

    Size 6-9 mo
    $6.99 $10

    $3.49 50% off with

    Assorted Brands Size Large kids
    Price Drop
    View Product: Assorted Brands Size Large kids

    Assorted Brands

    Size Large kids
    $15.99 $31

    $9.59 40% off with

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

    Assorted Brands

    Size 8
    $14.99 $31

    $8.99 40% off with

    Sunuva Size 12-18 mo
    Price Drop
    View Product: Sunuva Size 12-18 mo

    Sunuva

    Size 12-18 mo
    $10.99 $41

    $6.59 40% off with

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

    Assorted Brands

    Size 12
    $15.99 $41.5

    $9.59 40% off with

    Carter's Size 3 mo
    View Product: Carter's Size 3 mo

    Carter's

    Size 3 mo
    $19.99 $41

    $13.99 30% off with

    Ella Moss Size 7
    Price Drop
    View Product: Ella Moss Size 7

    Ella Moss

    Size 7
    $33.99 $148

    $20.39 40% off with

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

    Carter's

    Size 12 mo
    $10.99 $34

    $5.49 50% off with

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

    Baby Gap

    Size 18-24 mo
    $12.99 $25

    $7.79 40% off with

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