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Boys' tops come in such a variety of styles and colors, they're the perfect way to start planning an entire outfit. Shop at thredUP when you're looking for an excellent selection of like-new boys' tops that range from casual to dressy and at prices up to 90% off estimated retail.

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63 items
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    Free Country Zip Up Hoodie (view 2)Free Country Zip Up Hoodie (view 1)
    View Product: Free Country Zip Up Hoodie

    Free Country

    Zip Up Hoodie
    Size 5
    $8.99 $4.94 45% off with code GOBIG
    50% off estimated retail
    Mini Boden Long Sleeve T-Shirt (view 2)Mini Boden Long Sleeve T-Shirt (view 1)Flawed Gem
    View Product: Mini Boden Long Sleeve T-Shirt

    Mini Boden

    Long Sleeve T-Shirt
    Size 2
    $12.99 $7.14 45% off with code GOBIG
    50% off estimated retail
    Nike Pullover Hoodie (view 2)Nike Pullover Hoodie (view 1)
    View Product: Nike Pullover Hoodie

    Nike

    Pullover Hoodie
    Size 3
    $17.99 $9.89 45% off with code GOBIG
    60% off estimated retail
    Authentic Galaxy Long Sleeve Polo (view 2)Authentic Galaxy Long Sleeve Polo (view 1)
    View Product: Authentic Galaxy Long Sleeve Polo

    Authentic Galaxy

    Long Sleeve Polo
    Size 4
    $7.99 $4.39 45% off with code GOBIG
    60% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    OshKosh B'gosh Long Sleeve Button-Down Shirt (view 2)OshKosh B'gosh Long Sleeve Button-Down Shirt (view 1)
    View Product: OshKosh B'gosh Long Sleeve Button-Down Shirt

    OshKosh B'gosh

    Long Sleeve Button-Down Shirt
    Size 5
    $7.99 $4.39 45% off with code GOBIG
    38% off estimated retail
    Peek... Short Sleeve T-Shirt (view 2)Peek... Short Sleeve T-Shirt (view 1)
    View Product: Peek... Short Sleeve T-Shirt

    Peek...

    Short Sleeve T-Shirt
    Size 4
    $8.99 $4.94 45% off with code GOBIG
    66% off estimated retail
    Laguna Active T-Shirt (view 2)Laguna Active T-Shirt (view 1)
    View Product: Laguna Active T-Shirt

    Laguna

    Active T-Shirt
    Size 4
    $9.99 $5.49 45% off with code GOBIG
    50% off estimated retail
    The Little White Company Long Sleeve Button-Down Shirt (view 2)The Little White Company Long Sleeve Button-Down Shirt (view 1)
    View Product: The Little White Company Long Sleeve Button-Down Shirt

    The Little White Company

    Long Sleeve Button-Down Shirt
    Size 12-18 mo
    $10.99 $6.04 45% off with code GOBIG
    62% off estimated retail
    Under Armour Active T-Shirt (view 2)Under Armour Active T-Shirt (view 1)
    View Product: Under Armour Active T-Shirt

    Under Armour

    Active T-Shirt
    Size 5
    $18.99 $10.44 45% off with code GOBIG
    52% off estimated retail
    Crewcuts Short Sleeve Button-Down Shirt (view 2)Crewcuts Short Sleeve Button-Down Shirt (view 1)
    View Product: Crewcuts Short Sleeve Button-Down Shirt

    Crewcuts

    Short Sleeve Button-Down Shirt
    Size 3
    $11.99 $6.59 45% off with code GOBIG
    70% off estimated retail
    Under Armour Active T-Shirt (view 2)Under Armour Active T-Shirt (view 1)
    View Product: Under Armour Active T-Shirt

    Under Armour

    Active T-Shirt
    Size 4T
    $18.99 $10.44 45% off with code GOBIG
    52% off estimated retail
    Avalon Apparel Group Pullover Hoodie (view 2)Avalon Apparel Group Pullover Hoodie (view 1)
    View Product: Avalon Apparel Group Pullover Hoodie

    Avalon Apparel Group

    Pullover Hoodie
    Size 4T
    $12.99 $7.14 45% off with code GOBIG
    51% off estimated retail
    Adidas Active T-Shirt (view 2)Adidas Active T-Shirt (view 1)
    View Product: Adidas Active T-Shirt

    Adidas

    Active T-Shirt
    Size 3T
    $12.99 $7.14 45% off with code GOBIG
    61% off estimated retail
    Tucker + Tate Long Sleeve Button-Down Shirt (view 2)Tucker + Tate Long Sleeve Button-Down Shirt (view 1)
    View Product: Tucker + Tate Long Sleeve Button-Down Shirt

    Tucker + Tate

    Long Sleeve Button-Down Shirt
    Size 2
    $14.99 $8.24 45% off with code GOBIG
    63% off estimated retail
    JoJo Maman Bebe Zip Up Hoodie (view 2)JoJo Maman Bebe Zip Up Hoodie (view 1)
    View Product: JoJo Maman Bebe Zip Up Hoodie

    JoJo Maman Bebe

    Zip Up Hoodie
    Size 4
    $16.99 $9.34 45% off with code GOBIG
    69% off estimated retail
    Paw Patrol Zip Up Hoodie (view 2)Paw Patrol Zip Up Hoodie (view 1)
    View Product: Paw Patrol Zip Up Hoodie

    Paw Patrol

    Zip Up Hoodie
    Size 2T
    $12.99 $7.14 45% off with code GOBIG
    40% off estimated retail
    Gap Kids Long Sleeve Button-Down Shirt (view 2)Gap Kids Long Sleeve Button-Down Shirt (view 1)
    View Product: Gap Kids Long Sleeve Button-Down Shirt

    Gap Kids

    Long Sleeve Button-Down Shirt
    Size 4
    $12.99 $7.14 45% off with code GOBIG
    62% off estimated retail
    Janie and Jack Short Sleeve Polo (view 2)Janie and Jack Short Sleeve Polo (view 1)
    View Product: Janie and Jack Short Sleeve Polo

    Janie and Jack

    Short Sleeve Polo
    Size 2T
    $8.99 $4.94 45% off with code GOBIG
    67% off estimated retail
    Marie Chantal Long Sleeve Button-Down Shirt (view 2)Marie Chantal Long Sleeve Button-Down Shirt (view 1)
    View Product: Marie Chantal Long Sleeve Button-Down Shirt

    Marie Chantal

    Long Sleeve Button-Down Shirt
    Size 4
    $40.99 $22.54 45% off with code GOBIG
    81% off estimated retail
    Vineyard Vines Long Sleeve Button-Down Shirt (view 2)Vineyard Vines Long Sleeve Button-Down Shirt (view 1)
    View Product: Vineyard Vines Long Sleeve Button-Down Shirt

    Vineyard Vines

    Long Sleeve Button-Down Shirt
    Size 4T
    $18.99 $10.44 45% off with code GOBIG
    68% off estimated retail
    Pro Player Long Sleeve T-Shirt (view 2)Pro Player Long Sleeve T-Shirt (view 1)
    View Product: Pro Player Long Sleeve T-Shirt

    Pro Player

    Long Sleeve T-Shirt
    Size 4
    $10.99 $6.04 45% off with code GOBIG
    $9
    Under Armour Short Sleeve T-Shirt (view 2)Under Armour Short Sleeve T-Shirt (view 1)
    View Product: Under Armour Short Sleeve T-Shirt

    Under Armour

    Short Sleeve T-Shirt
    Size 3T
    $12.99 $7.14 45% off with code GOBIG
    56% off estimated retail
    Baby Naartjie Long Sleeve T-Shirt (view 2)Baby Naartjie Long Sleeve T-Shirt (view 1)
    View Product: Baby Naartjie Long Sleeve T-Shirt

    Baby Naartjie

    Long Sleeve T-Shirt
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    11% off estimated retail
    Hanna Andersson Long Sleeve T-Shirt (view 2)Hanna Andersson Long Sleeve T-Shirt (view 1)
    View Product: Hanna Andersson Long Sleeve T-Shirt

    Hanna Andersson

    Long Sleeve T-Shirt
    Size 18-24 mo
    $13.99 $7.69 45% off with code GOBIG
    42% off estimated retail
    Runway Short Sleeve T-Shirt (view 2)Runway Short Sleeve T-Shirt (view 1)
    View Product: Runway Short Sleeve T-Shirt

    Runway

    Short Sleeve T-Shirt
    Size 5
    $12.99 $7.14 45% off with code GOBIG
    56% off estimated retail
    Landsdowne Pullover Sweater (view 2)Landsdowne Pullover Sweater (view 1)
    View Product: Landsdowne Pullover Sweater

    Landsdowne

    Pullover Sweater
    Size 2T
    $14.99 $8.24 45% off with code GOBIG
    55% off estimated retail
    Crunch Pullover Hoodie (view 2)Crunch Pullover Hoodie (view 1)
    View Product: Crunch Pullover Hoodie

    Crunch

    Pullover Hoodie
    Size 2T
    $14.99 $8.24 45% off with code GOBIG
    20% off estimated retail
    TUFF GUYS STREET WEAR Sweatshirt (view 2)TUFF GUYS STREET WEAR Sweatshirt (view 1)
    View Product: TUFF GUYS STREET WEAR Sweatshirt

    TUFF GUYS STREET WEAR

    Sweatshirt
    Size 2T
    $8.99 $4.94 45% off with code GOBIG
    40% off estimated retail
    Red Beans Long Sleeve Button-Down Shirt (view 2)Red Beans Long Sleeve Button-Down Shirt (view 1)
    View Product: Red Beans Long Sleeve Button-Down Shirt

    Red Beans

    Long Sleeve Button-Down Shirt
    Size 5
    $29.99 $16.49 45% off with code GOBIG
    79% off estimated retail
    Champion Active T-Shirt (view 2)Champion Active T-Shirt (view 1)
    View Product: Champion Active T-Shirt

    Champion

    Active T-Shirt
    Size 2T
    $12.99 $7.14 45% off with code GOBIG
    25% off estimated retail
    Ralph Lauren Long Sleeve Button-Down Shirt (view 2)Ralph Lauren Long Sleeve Button-Down Shirt (view 1)
    View Product: Ralph Lauren Long Sleeve Button-Down Shirt

    Ralph Lauren

    Long Sleeve Button-Down Shirt
    Size 4T
    $20.99 $11.54 45% off with code GOBIG
    73% off estimated retail
    Zara Baby Thermal Top (view 2)Zara Baby Thermal Top (view 1)
    View Product: Zara Baby Thermal Top

    Zara Baby

    Thermal Top
    Size 5
    $12.99 $7.14 45% off with code GOBIG
    38% off estimated retail
    Baby Gap Long Sleeve Button-Down Shirt (view 2)Baby Gap Long Sleeve Button-Down Shirt (view 1)
    View Product: Baby Gap Long Sleeve Button-Down Shirt

    Baby Gap

    Long Sleeve Button-Down Shirt
    Size 12-18 mo
    $15.99 $8.79 45% off with code GOBIG
    51% off estimated retail
    Old Navy Sweatshirt (view 2)Old Navy Sweatshirt (view 1)
    View Product: Old Navy Sweatshirt

    Old Navy

    Sweatshirt
    Size 5T
    $10.99 $6.04 45% off with code GOBIG
    57% off estimated retail
    Under Armour Long Sleeve T-Shirt (view 2)Under Armour Long Sleeve T-Shirt (view 1)Flawed Gem
    View Product: Under Armour Long Sleeve T-Shirt

    Under Armour

    Long Sleeve T-Shirt
    Size 4
    $11.99 $6.59 45% off with code GOBIG
    44% off estimated retail
    Harley Davidson Short Sleeve T-Shirt (view 2)Harley Davidson Short Sleeve T-Shirt (view 1)
    View Product: Harley Davidson Short Sleeve T-Shirt

    Harley Davidson

    Short Sleeve T-Shirt
    Size 4T
    $15.99 $8.79 45% off with code GOBIG
    30% off estimated retail
    Baby Gap One Piece Snowsuit (view 2)Baby Gap One Piece Snowsuit (view 1)
    View Product: Baby Gap One Piece Snowsuit

    Baby Gap

    One Piece Snowsuit
    Size 12-18 mo
    $41.99 $23.09 45% off with code GOBIG
    63% off estimated retail
    Nike Pullover Hoodie (view 2)Nike Pullover Hoodie (view 1)
    View Product: Nike Pullover Hoodie

    Nike

    Pullover Hoodie
    Size 2T
    $18.99 $10.44 45% off with code GOBIG
    55% off estimated retail
    Good Lad Long Sleeve Button-Down Shirt (view 2)Good Lad Long Sleeve Button-Down Shirt (view 1)
    View Product: Good Lad Long Sleeve Button-Down Shirt

    Good Lad

    Long Sleeve Button-Down Shirt
    Size 4T
    $11.99 $6.59 45% off with code GOBIG
    38% off estimated retail
    Janie and Jack Sweatshirt (view 2)Janie and Jack Sweatshirt (view 1)
    View Product: Janie and Jack Sweatshirt

    Janie and Jack

    Sweatshirt
    Size 12-18 mo
    $20.99 $11.54 45% off with code GOBIG
    67% off estimated retail
    Unbranded Pullover Hoodie (view 2)Unbranded Pullover Hoodie (view 1)
    View Product: Unbranded Pullover Hoodie

    Unbranded

    Pullover Hoodie
    Size 3
    $16.99 $9.34 45% off with code GOBIG
    52% off estimated retail
    Gap Kids Pullover Hoodie (view 2)Gap Kids Pullover Hoodie (view 1)
    View Product: Gap Kids Pullover Hoodie

    Gap Kids

    Pullover Hoodie
    Size 4
    $18.99 $10.44 45% off with code GOBIG
    62% off estimated retail
    Tooby Doo Short Sleeve Polo (view 2)Tooby Doo Short Sleeve Polo (view 1)
    View Product: Tooby Doo Short Sleeve Polo

    Tooby Doo

    Short Sleeve Polo
    Size 12-18 mo
    $10.99 $6.04 45% off with code GOBIG
    59% off estimated retail
    Armani Junior Sweatshirt (view 2)Armani Junior Sweatshirt (view 1)
    View Product: Armani Junior Sweatshirt

    Armani Junior

    Sweatshirt
    Size 12-18 mo
    $81.99 $45.09 45% off with code GOBIG
    62% off estimated retail
    Ralph Lauren Long Sleeve Button-Down Shirt (view 2)Ralph Lauren Long Sleeve Button-Down Shirt (view 1)
    View Product: Ralph Lauren Long Sleeve Button-Down Shirt

    Ralph Lauren

    Long Sleeve Button-Down Shirt
    Size 2
    $20.99 $11.54 45% off with code GOBIG
    73% off estimated retail
    Gymboree Short Sleeve T-Shirt (view 2)Gymboree Short Sleeve T-Shirt (view 1)
    View Product: Gymboree Short Sleeve T-Shirt

    Gymboree

    Short Sleeve T-Shirt
    Size 12-18 mo
    $11.99 $6.59 45% off with code GOBIG
    50% off estimated retail
    Gymboree Short Sleeve Button-Down Shirt (view 2)Gymboree Short Sleeve Button-Down Shirt (view 1)
    View Product: Gymboree Short Sleeve Button-Down Shirt

    Gymboree

    Short Sleeve Button-Down Shirt
    Size 12-18 mo
    $12.99 $7.14 45% off with code GOBIG
    59% off estimated retail
    Baby Gap Short Sleeve T-Shirt (view 2)Baby Gap Short Sleeve T-Shirt (view 1)Price Drop
    View Product: Baby Gap Short Sleeve T-Shirt

    Baby Gap

    Short Sleeve T-Shirt
    Size 2
    $12.99 $7.14 45% off with code GOBIG
    31% off estimated retail
    Baby Gap Long Sleeve Button-Down Shirt (view 2)Baby Gap Long Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: Baby Gap Long Sleeve Button-Down Shirt

    Baby Gap

    Long Sleeve Button-Down Shirt
    Size 18-24 mo
    $13.99 $7.69 45% off with code GOBIG
    55% off estimated retail
    Pro Player Active T-Shirt (view 2)Pro Player Active T-Shirt (view 1)Price Drop
    View Product: Pro Player Active T-Shirt

    Pro Player

    Active T-Shirt
    Size 2T
    $11.99 $6.59 45% off with code GOBIG
    18% off estimated retail
    Assorted Brands Zip Up Hoodie (view 2)Assorted Brands Zip Up Hoodie (view 1)Price Drop
    View Product: Assorted Brands Zip Up Hoodie

    Assorted Brands

    Zip Up Hoodie
    Size 3T
    $12.99 $7.14 45% off with code GOBIG
    66% off estimated retail
    Esprit Short Sleeve T-Shirt (view 2)Esprit Short Sleeve T-Shirt (view 1)
    View Product: Esprit Short Sleeve T-Shirt

    Esprit

    Short Sleeve T-Shirt
    Size 4
    $8.99 $4.94 45% off with code GOBIG
    55% off estimated retail
    Old Navy Pullover Hoodie (view 2)Old Navy Pullover Hoodie (view 1)Price Drop
    View Product: Old Navy Pullover Hoodie

    Old Navy

    Pullover Hoodie
    Size 18-24 mo
    $10.99 $6.04 45% off with code GOBIG
    55% off estimated retail
    National Collegian Short Sleeve T-Shirt (view 2)National Collegian Short Sleeve T-Shirt (view 1)
    View Product: National Collegian Short Sleeve T-Shirt

    National Collegian

    Short Sleeve T-Shirt
    Size 4T
    $11.99 $6.59 45% off with code GOBIG
    33% off estimated retail
    Janie and Jack Short Sleeve Polo (view 2)Janie and Jack Short Sleeve Polo (view 1)
    View Product: Janie and Jack Short Sleeve Polo

    Janie and Jack

    Short Sleeve Polo
    Size 12-18 mo
    $11.99 $6.59 45% off with code GOBIG
    64% off estimated retail
    OshKosh B'gosh Short Sleeve Button-Down Shirt (view 2)OshKosh B'gosh Short Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: OshKosh B'gosh Short Sleeve Button-Down Shirt

    OshKosh B'gosh

    Short Sleeve Button-Down Shirt
    Size 2T
    $9.99 $5.49 45% off with code GOBIG
    54% off estimated retail
    Crazy 8 Short Sleeve Button-Down Shirt (view 2)Crazy 8 Short Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: Crazy 8 Short Sleeve Button-Down Shirt

    Crazy 8

    Short Sleeve Button-Down Shirt
    Size 2T
    $7.99 $4.39 45% off with code GOBIG
    55% off estimated retail
    Nanette Short Sleeve Polo (view 2)Nanette Short Sleeve Polo (view 1)Price Drop
    View Product: Nanette Short Sleeve Polo

    Nanette

    Short Sleeve Polo
    Size 2T
    $7.99 $4.39 45% off with code GOBIG
    70% off estimated retail
    Baby Gap Short Sleeve Button-Down Shirt (view 2)Baby Gap Short Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: Baby Gap Short Sleeve Button-Down Shirt

    Baby Gap

    Short Sleeve Button-Down Shirt
    Size 12-18 mo
    $10.99 $6.04 45% off with code GOBIG
    63% off estimated retail
    Baby Gap Outlet Zip Up Hoodie (view 2)Baby Gap Outlet Zip Up Hoodie (view 1)Price Drop
    View Product: Baby Gap Outlet Zip Up Hoodie

    Baby Gap Outlet

    Zip Up Hoodie
    Size 12-18 mo
    $10.99 $6.04 45% off with code GOBIG
    40% off estimated retail
    Kidential Short Sleeve T-Shirt (view 2)Kidential Short Sleeve T-Shirt (view 1)Price Drop
    View Product: Kidential Short Sleeve T-Shirt

    Kidential

    Short Sleeve T-Shirt
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    46% off estimated retail
    Club House Short Sleeve Polo (view 2)Club House Short Sleeve Polo (view 1)Price Drop
    View Product: Club House Short Sleeve Polo

    Club House

    Short Sleeve Polo
    Size 2T
    $8.99 $4.94 45% off with code GOBIG
    27% off estimated retail
    Free Country Active Tank (view 2)Free Country Active Tank (view 1)Price Drop
    View Product: Free Country Active Tank

    Free Country

    Active Tank
    Size 5
    $8.24 $4.53 45% off with code GOBIG
    46% off estimated retail
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