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Boys' Swimwear

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Whether it's a day at the pool or the beach, your little man needs a comfortable and stylish look. At thredUP, you'll find boys' swimwear in a variety of styles, colors, and designs that he will love, and at up to 90% off estimated retail, the prices will make you happy as well.

106 items
Carter's Size 5
Price Drop
View Product: Carter's Size 5

Carter's

Size 5
$8.99 $28

$5.39 40% off with

ZeroXposur Size 5
Price Drop
View Product: ZeroXposur Size 5

ZeroXposur

Size 5
$11.99 $32

$5.99 50% off with

Old Navy Size 5T
Price Drop
View Product: Old Navy Size 5T

Old Navy

Size 5T
$7.99 $15

$5.59 30% off with

Hanna Andersson Size 100 cm
View Product: Hanna Andersson Size 100 cm

Hanna Andersson

Size 100 cm
$21.99 $38

$15.39 30% off with

OshKosh B'gosh Size 5T
Price Drop
View Product: OshKosh B'gosh Size 5T

OshKosh B'gosh

Size 5T
$4.99 $22

$2.99 40% off with

Olivia for Gymboree Size 5T
View Product: Olivia for Gymboree Size 5T

Olivia for Gymboree

Size 5T
$23.99 $38

$16.79 30% off with

Carter's Size 5T
View Product: Carter's Size 5T

Carter's

Size 5T
$13.99 $22

$9.79 30% off with

Nike Size 5
Price Drop
View Product: Nike Size 5

Nike

Size 5
$24.99 $64

$14.99 40% off with

Cherokee Size 5
Price Drop
View Product: Cherokee Size 5

Cherokee

Size 5
$9.99 $13

$4.99 50% off with

Tropic Sun Size 5
Price Drop
View Product: Tropic Sun Size 5

Tropic Sun

Size 5
$4.99 $9

$2.49 50% off with

Mountain Warehouse Size 5
Price Drop
View Product: Mountain Warehouse Size 5

Mountain Warehouse

Size 5
$4.99 $17

$2.49 50% off with

OshKosh B'gosh Size 5T
Price Drop
View Product: OshKosh B'gosh Size 5T

OshKosh B'gosh

Size 5T
$7.99 $20

$4.79 40% off with

Lands' End Size 5
Price Drop
View Product: Lands' End Size 5

Lands' End

Size 5
$13.99 $25

$8.39 40% off with

Crazy 8 Size 5T
Price Drop
View Product: Crazy 8 Size 5T

Crazy 8

Size 5T
$10.99 $17

$6.59 40% off with

Lands' End Size 5
Price Drop
View Product: Lands' End Size 5

Lands' End

Size 5
$7.99 $17

$4.79 40% off with

Hanna Andersson Size 100 cm
Price Drop
View Product: Hanna Andersson Size 100 cm

Hanna Andersson

Size 100 cm
$10.99 $28

$6.59 40% off with

Skylanders Size 5
Price Drop
View Product: Skylanders Size 5

Skylanders

Size 5
$3.99 $19

$3.19 20% off with

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

L.L.Bean

Size 5
$7.99 $17

$4.79 40% off with

Baby Gap Size 5
Price Drop
View Product: Baby Gap Size 5

Baby Gap

Size 5
$6.99 $20

$3.49 50% off with

Gymboree Size 5
Price Drop
View Product: Gymboree Size 5

Gymboree

Size 5
$6.99 $25

$3.49 50% off with

Carter's Size 5
Price Drop
View Product: Carter's Size 5

Carter's

Size 5
$6.99 $24

$3.49 50% off with

ZeroXposur Size 5
View Product: ZeroXposur Size 5

ZeroXposur

Size 5
$13.99 $21
Lands' End Size 5
View Product: Lands' End Size 5

Lands' End

Size 5
$13.99 $17
Disney Size 5T
View Product: Disney Size 5T

Disney

Size 5T
$6.99 $9
Lands' End Size 5
View Product: Lands' End Size 5

Lands' End

Size 5
$9.99 $17
Disney's Cars Size 5
View Product: Disney's Cars Size 5

Disney's Cars

Size 5
$6.99 $9
Cat & Jack Size 5
View Product: Cat & Jack Size 5

Cat & Jack

Size 5
$9.99 $9
OshKosh B'gosh Size 5
View Product: OshKosh B'gosh Size 5

OshKosh B'gosh

Size 5
$13.99 $22
Laguna Size 5
View Product: Laguna Size 5

Laguna

Size 5
$8.99 $13
Dolfin Size 5T
View Product: Dolfin Size 5T

Dolfin

Size 5T
$7.99 $11
Cat & Jack Size 5
View Product: Cat & Jack Size 5

Cat & Jack

Size 5
$6.99 $9
Gymboree Size 5
View Product: Gymboree Size 5

Gymboree

Size 5
$13.99 $22
ZeroXposur Size 5
View Product: ZeroXposur Size 5

ZeroXposur

Size 5
$10.99 $21
Vaenait Size Small  tots
View Product: Vaenait Size Small tots

Vaenait

Size Small tots
$8.99 $20

$7.19 20% off with

Disney Store Size 5
View Product: Disney Store Size 5

Disney Store

Size 5
$8.99 $16

$7.19 20% off with

Kanu Surf Size 5
View Product: Kanu Surf Size 5

Kanu Surf

Size 5
$12.99 $17

$10.39 20% off with

ZeroXposur Size 5
View Product: ZeroXposur Size 5

ZeroXposur

Size 5
$9.99 $21

$7.99 20% off with

Lego Size 5
View Product: Lego Size 5

Lego

Size 5
$9.99 $9

$7.99 20% off with

Castaways Size 5
View Product: Castaways Size 5

Castaways

Size 5
$19.99 $32

$15.99 20% off with

Hanna Andersson Size 100 cm
View Product: Hanna Andersson Size 100 cm

Hanna Andersson

Size 100 cm
$25.99 $38

$20.79 20% off with

Hanna Andersson Size 100 cm
View Product: Hanna Andersson Size 100 cm

Hanna Andersson

Size 100 cm
$25.99 $38

$20.79 20% off with

Old Navy Size 5T
View Product: Old Navy Size 5T

Old Navy

Size 5T
$9.99 $17

$7.99 20% off with

The Children's Place Size 5
View Product: The Children's Place Size 5

The Children's Place

Size 5
$8.99 $15
The Children's Place Size 5
View Product: The Children's Place Size 5

The Children's Place

Size 5
$8.99 $15

$7.19 20% off with

The Children's Place Size 5
New with tags
View Product: The Children's Place Size 5

The Children's Place

Size 5
$8.99 $15

$7.19 20% off with

Carter's Size 5
View Product: Carter's Size 5

Carter's

Size 5
$15.99 $24

$12.79 20% off with

Lands' End Size 5
View Product: Lands' End Size 5

Lands' End

Size 5
$14.99 $25

$11.99 20% off with

Carter's Size 5T
View Product: Carter's Size 5T

Carter's

Size 5T
$11.99 $24

$9.59 20% off with

OshKosh B'gosh Size 5
View Product: OshKosh B'gosh Size 5

OshKosh B'gosh

Size 5
$10.99 $20

$8.79 20% off with

The Children's Place Size 5
View Product: The Children's Place Size 5

The Children's Place

Size 5
$8.99 $15

$7.19 20% off with

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