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Boys' Sweaters

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Shop Boy’s Sweaters at up to 90% off estimated retail! thredUP has a huge selection of gently used Boy’s Sweaters from brands like Gymboree, Baby Gap or Polo by Ralph Lauren at thredUP.

14,905 items
Nautica Size 7
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View Product: Nautica Size 7

Nautica

Size 7
$14.99 $65

$10.49 30% off with

K-Way Size 8
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View Product: K-Way Size 8

K-Way

Size 8
$5.99 $41
OshKosh B'gosh Size 18 mo
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View Product: OshKosh B'gosh Size 18 mo

OshKosh B'gosh

Size 18 mo
$5.99 $27
Baby Gap Size Small infants
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View Product: Baby Gap Size Small infants

Baby Gap

Size Small infants
$5.99 $27
Baby Gap Outlet Size 3T
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View Product: Baby Gap Outlet Size 3T

Baby Gap Outlet

Size 3T
$8.99 $53

$6.29 30% off with

Assorted Brands Size 7
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View Product: Assorted Brands Size 7

Assorted Brands

Size 7
$7.99 $51

$6.39 20% off with

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

Gymboree

Size 12-18 mo
$6.99 $33
Old Navy Size 18 mo
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View Product: Old Navy Size 18 mo

Old Navy

Size 18 mo
$6.99 $17
Simply Basic Size 3-6 mo
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View Product: Simply Basic Size 3-6 mo

Simply Basic

Size 3-6 mo
$5.99 $17
WonderKids Size 3-6 mo
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View Product: WonderKids Size 3-6 mo

WonderKids

Size 3-6 mo
$5.99 $13
Koala Baby Size 6-9 mo
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View Product: Koala Baby Size 6-9 mo

Koala Baby

Size 6-9 mo
$5.99 $14
Hearts Designs Size 12
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View Product: Hearts Designs Size 12

Hearts Designs

Size 12
$9.99 $51

$5.99 40% off with

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

Carter's

Size 3 mo
$6.99 $34
Carter's Size 12 mo
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View Product: Carter's Size 12 mo

Carter's

Size 12 mo
$6.99 $28
Puma Size 6
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View Product: Puma Size 6

Puma

Size 6
$8.99 $41

$6.29 30% off with

Gap Kids Size 7
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View Product: Gap Kids Size 7

Gap Kids

Size 7
$7.99 $40

$6.39 20% off with

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

Assorted Brands

Size 18 mo
$6.99 $34
Just One You Made by Carters Size 9 mo
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View Product: Just One You Made by Carters Size 9 mo

Just One You Made by Carters

Size 9 mo
$7.99 $17

$6.39 20% off with

Adidas Neo Label Size Small youth
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View Product: Adidas Neo Label Size Small youth

Adidas Neo Label

Size Small youth
$12.99 $77

$6.49 50% off with

Assorted Brands Size 6
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View Product: Assorted Brands Size 6

Assorted Brands

Size 6
$10.99 $51

$6.59 40% off with

Zara Size 11
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View Product: Zara Size 11

Zara

Size 11
$14.99 $64

$8.99 40% off with

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

Baby Gap

Size 18-24 mo
$8.99 $35

$6.29 30% off with

Baby Gap Size 6-12 mo
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View Product: Baby Gap Size 6-12 mo

Baby Gap

Size 6-12 mo
$8.99 $35

$6.29 30% off with

Dressed Up by Gymboree Size 5
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View Product: Dressed Up by Gymboree Size 5

Dressed Up by Gymboree

Size 5
$8.99 $43

$6.29 30% off with

Gap Kids Size 14
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View Product: Gap Kids Size 14

Gap Kids

Size 14
$10.99 $40

$6.59 40% off with

Petit DeNimes Size 3
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View Product: Petit DeNimes Size 3

Petit DeNimes

Size 3
$10.99 $53

$6.59 40% off with

Eddie Bauer Size Medium youth
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View Product: Eddie Bauer Size Medium youth

Eddie Bauer

Size Medium youth
$13.99 $51

$8.39 40% off with

Hartstrings Size 7
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View Product: Hartstrings Size 7

Hartstrings

Size 7
$13.99 $77

$8.39 40% off with

Gymboree Size 3T
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View Product: Gymboree Size 3T

Gymboree

Size 3T
$8.99 $33

$6.29 30% off with

Dr. Seuss Size 80 cm
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View Product: Dr. Seuss Size 80 cm

Dr. Seuss

Size 80 cm
$14.99 $44

$8.99 40% off with

Baby Gap Size 2
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View Product: Baby Gap Size 2

Baby Gap

Size 2
$7.99 $30

$6.39 20% off with

Gymboree Size 4
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View Product: Gymboree Size 4

Gymboree

Size 4
$11.99 $35

$7.19 40% off with

Early Days Size 3 mo
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View Product: Early Days Size 3 mo

Early Days

Size 3 mo
$7.99 $17

$6.39 20% off with

Only Size X-Small  kids

View Product: Only Size X-Small kids

Only

Size X-Small kids
$6.99 $26
Gap Kids Size 7

View Product: Gap Kids Size 7

Gap Kids

Size 7
$10.99 $40

$6.59 40% off with

Nike Size 12

View Product: Nike Size 12

Nike

Size 12
$14.99 $51

$8.99 40% off with

Nike Size 8

View Product: Nike Size 8

Nike

Size 8
$14.99 $51

$10.49 30% off with

Abercrombie & Fitch Size Small kids

View Product: Abercrombie & Fitch Size Small kids

Abercrombie & Fitch

Size Small kids
$14.99 $64

$8.99 40% off with

AKID Size 4

View Product: AKID Size 4

AKID

Size 4
$14.99 $68

$8.99 40% off with

The Children's Place Size 12-18 mo

View Product: The Children's Place Size 12-18 mo

The Children's Place

Size 12-18 mo
$12.99 $25

$7.79 40% off with

The Children's Place Size 18-24 mo

View Product: The Children's Place Size 18-24 mo

The Children's Place

Size 18-24 mo
$12.99 $25

$7.79 40% off with

Nike Size 6

View Product: Nike Size 6

Nike

Size 6
$14.99 $51

$10.49 30% off with

Scotch & Soda Size 4

View Product: Scotch & Soda Size 4

Scotch & Soda

Size 4
$14.99 $85

$10.49 30% off with

Polo by Ralph Lauren Size 12

View Product: Polo by Ralph Lauren Size 12

Polo by Ralph Lauren

Size 12
$14.99 $64

$10.49 30% off with

OshKosh B'gosh Size 4T

View Product: OshKosh B'gosh Size 4T

OshKosh B'gosh

Size 4T
$9.99 $38

$6.99 30% off with

Tucker + Tate Size Medium kids

View Product: Tucker + Tate Size Medium kids

Tucker + Tate

Size Medium kids
$14.99 $51

$10.49 30% off with

Baby Gap Size 3T

View Product: Baby Gap Size 3T

Baby Gap

Size 3T
$8.99 $30

$7.19 20% off with

The Children's Place Size 3T

View Product: The Children's Place Size 3T

The Children's Place

Size 3T
$8.99 $30

$7.19 20% off with

Gap Kids Size Medium youth

View Product: Gap Kids Size Medium youth

Gap Kids

Size Medium youth
$9.99 $40

$6.99 30% off with

Gymboree Size 2T

View Product: Gymboree Size 2T

Gymboree

Size 2T
$9.99 $35

$6.99 30% off with