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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.

PolyesterRemove filterMy Home WarehouseRemove filter20Remove filter0-3 moRemove filter
40 items
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    TeddyBoom Sleeveless T-Shirt (view 2)TeddyBoom Sleeveless T-Shirt (view 1)
    View Product: TeddyBoom Sleeveless T-Shirt

    TeddyBoom

    Sleeveless T-Shirt
    Size 0-3 mo
    $7.99 $4.39 45% off with code GOBIG
    $7
    Lito Long Sleeve Button-Down Shirt (view 2)Lito Long Sleeve Button-Down Shirt (view 1)New With Tags
    View Product: Lito Long Sleeve Button-Down Shirt

    Lito

    Long Sleeve Button-Down Shirt
    Size 0-3 mo
    $10.99 $6.04 45% off with code GOBIG
    56% off estimated retail
    Star Wars Pullover Sweater (view 2)Star Wars Pullover Sweater (view 1)
    View Product: Star Wars Pullover Sweater

    Star Wars

    Pullover Sweater
    Size 0-3 mo
    $15.99 $8.79 45% off with code GOBIG
    27% off estimated retail
    Athletic Works Zip Up Hoodie (view 2)Athletic Works Zip Up Hoodie (view 1)New With Tags
    View Product: Athletic Works Zip Up Hoodie

    Athletic Works

    Zip Up Hoodie
    Size 0-3 mo
    $8.99 $4.94 45% off with code GOBIG
    46% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Calvin Klein Long Sleeve Button-Down Shirt (view 2)Calvin Klein Long Sleeve Button-Down Shirt (view 1)
    View Product: Calvin Klein Long Sleeve Button-Down Shirt

    Calvin Klein

    Long Sleeve Button-Down Shirt
    Size 20
    $33.99 $18.69 45% off with code GOBIG
    68% off estimated retail
    Disney Baby Long Sleeve T-Shirt (view 2)Disney Baby Long Sleeve T-Shirt (view 1)New With Tags
    View Product: Disney Baby Long Sleeve T-Shirt

    Disney Baby

    Long Sleeve T-Shirt
    Size 0-3 mo
    $6.99 $3.84 45% off with code GOBIG
    28% off estimated retail
    Tommy Hilfiger Long Sleeve T-Shirt (view 2)Tommy Hilfiger Long Sleeve T-Shirt (view 1)
    View Product: Tommy Hilfiger Long Sleeve T-Shirt

    Tommy Hilfiger

    Long Sleeve T-Shirt
    Size 20
    $13.99 $7.69 45% off with code GOBIG
    55% off estimated retail
    Timberland Short Sleeve T-Shirt (view 2)Timberland Short Sleeve T-Shirt (view 1)
    View Product: Timberland Short Sleeve T-Shirt

    Timberland

    Short Sleeve T-Shirt
    Size 0-3 mo
    $9.99 $5.49 45% off with code GOBIG
    72% off estimated retail
    Nike Active T-Shirt (view 2)Nike Active T-Shirt (view 1)
    View Product: Nike Active T-Shirt

    Nike

    Active T-Shirt
    Size 0-3 mo
    $11.99 $6.59 45% off with code GOBIG
    63% off estimated retail
    Nirvana Sweatshirt (view 2)Nirvana Sweatshirt (view 1)
    View Product: Nirvana Sweatshirt

    Nirvana

    Sweatshirt
    Size 0-3 mo
    $12.99 $7.14 45% off with code GOBIG
    62% off estimated retail
    Rene Rofe Sweatshirt (view 2)Rene Rofe Sweatshirt (view 1)
    View Product: Rene Rofe Sweatshirt

    Rene Rofe

    Sweatshirt
    Size 0-3 mo
    $12.99 $7.14 45% off with code GOBIG
    26% off estimated retail
    Gap x Disney Pullover Hoodie (view 2)Gap x Disney Pullover Hoodie (view 1)
    View Product: Gap x Disney Pullover Hoodie

    Gap x Disney

    Pullover Hoodie
    Size 0-3 mo
    $22.99 $12.64 45% off with code GOBIG
    56% off estimated retail
    Baby Gap Pullover Sweater (view 2)Baby Gap Pullover Sweater (view 1)
    View Product: Baby Gap Pullover Sweater

    Baby Gap

    Pullover Sweater
    Size 0-3 mo
    $18.99 $10.44 45% off with code GOBIG
    56% off estimated retail
    Old Navy Zip Up Hoodie (view 2)Old Navy Zip Up Hoodie (view 1)
    View Product: Old Navy Zip Up Hoodie

    Old Navy

    Zip Up Hoodie
    Size 0-3 mo
    $10.99 $6.04 45% off with code GOBIG
    50% off estimated retail
    Mon Cheri Baby Zip Up Hoodie (view 2)Mon Cheri Baby Zip Up Hoodie (view 1)
    View Product: Mon Cheri Baby Zip Up Hoodie

    Mon Cheri Baby

    Zip Up Hoodie
    Size 0-3 mo
    $11.99 $6.59 45% off with code GOBIG
    62% off estimated retail
    Hanna Andersson Pullover Hoodie (view 2)Hanna Andersson Pullover Hoodie (view 1)
    View Product: Hanna Andersson Pullover Hoodie

    Hanna Andersson

    Pullover Hoodie
    Size 20
    $25.99 $14.29 45% off with code GOBIG
    48% off estimated retail
    Always Short Sleeve T-Shirt (view 2)Always Short Sleeve T-Shirt (view 1)
    View Product: Always Short Sleeve T-Shirt

    Always

    Short Sleeve T-Shirt
    Size 0-3 mo
    $8.99 $4.94 45% off with code GOBIG
    27% off estimated retail
    Assorted Brands Pullover Hoodie (view 2)Assorted Brands Pullover Hoodie (view 1)Price Drop
    View Product: Assorted Brands Pullover Hoodie

    Assorted Brands

    Pullover Hoodie
    Size 0-3 mo
    $13.99 $7.69 45% off with code GOBIG
    62% off estimated retail
    Old Navy Zip Up Hoodie (view 2)Old Navy Zip Up Hoodie (view 1)Price Drop
    View Product: Old Navy Zip Up Hoodie

    Old Navy

    Zip Up Hoodie
    Size 0-3 mo
    $11.99 $6.59 45% off with code GOBIG
    44% off estimated retail
    Marvel Pullover Hoodie (view 2)Marvel Pullover Hoodie (view 1)Price Drop
    View Product: Marvel Pullover Hoodie

    Marvel

    Pullover Hoodie
    Size 0-3 mo
    $11.24 $6.18 45% off with code GOBIG
    69% off estimated retail
    Puma Zip Up Hoodie (view 2)Puma Zip Up Hoodie (view 1)Price Drop
    View Product: Puma Zip Up Hoodie

    Puma

    Zip Up Hoodie
    Size 0-3 mo
    $10.24 $5.63 45% off with code GOBIG
    72% off estimated retail
    M&S Sweatshirt (view 2)M&S Sweatshirt (view 1)Price Drop
    View Product: M&S Sweatshirt

    M&S

    Sweatshirt
    Size 0-3 mo
    $11.99 $6.59 45% off with code GOBIG
    65% off estimated retail
    Brooklyn Cloth Pullover Hoodie (view 2)Brooklyn Cloth Pullover Hoodie (view 1)Price Drop
    View Product: Brooklyn Cloth Pullover Hoodie

    Brooklyn Cloth

    Pullover Hoodie
    Size 0-3 mo
    $12.99 $7.14 45% off with code GOBIG
    38% off estimated retail
    Old Navy Sweatshirt (view 2)Old Navy Sweatshirt (view 1)Price Drop
    View Product: Old Navy Sweatshirt

    Old Navy

    Sweatshirt
    Size 0-3 mo
    $11.99 $6.59 45% off with code GOBIG
    52% off estimated retail
    Unbranded Pullover Hoodie (view 2)Unbranded Pullover Hoodie (view 1)Price Drop
    View Product: Unbranded Pullover Hoodie

    Unbranded

    Pullover Hoodie
    Size 0-3 mo
    $10.24 $5.63 45% off with code GOBIG
    69% off estimated retail
    Nike Active T-Shirt (view 2)Nike Active T-Shirt (view 1)Price Drop
    View Product: Nike Active T-Shirt

    Nike

    Active T-Shirt
    Size 0-3 mo
    $12.99 $7.14 45% off with code GOBIG
    59% off estimated retail
    Under Armour Active T-Shirt (view 2)Under Armour Active T-Shirt (view 1)Price Drop
    View Product: Under Armour Active T-Shirt

    Under Armour

    Active T-Shirt
    Size 0-3 mo
    $14.99 $8.24 45% off with code GOBIG
    59% off estimated retail
    Puma Short Sleeve T-Shirt (view 2)Puma Short Sleeve T-Shirt (view 1)Price Drop
    View Product: Puma Short Sleeve T-Shirt

    Puma

    Short Sleeve T-Shirt
    Size 0-3 mo
    $8.99 $4.94 45% off with code GOBIG
    53% off estimated retail
    Assorted Brands Pullover Hoodie (view 2)Assorted Brands Pullover Hoodie (view 1)Price Drop
    View Product: Assorted Brands Pullover Hoodie

    Assorted Brands

    Pullover Hoodie
    Size 0-3 mo
    $12.99 $7.14 45% off with code GOBIG
    69% off estimated retail
    WonderKids Short Sleeve Button-Down Shirt (view 2)WonderKids Short Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: WonderKids Short Sleeve Button-Down Shirt

    WonderKids

    Short Sleeve Button-Down Shirt
    Size 0-3 mo
    $8.99 $4.94 45% off with code GOBIG
    11% off estimated retail
    TeddyBoom Short Sleeve Polo (view 2)TeddyBoom Short Sleeve Polo (view 1)Price Drop
    View Product: TeddyBoom Short Sleeve Polo

    TeddyBoom

    Short Sleeve Polo
    Size 0-3 mo
    $9.99 $5.49 45% off with code GOBIG
    18% off estimated retail
    Nike Active T-Shirt (view 2)Nike Active T-Shirt (view 1)Price Drop
    View Product: Nike Active T-Shirt

    Nike

    Active T-Shirt
    Size 0-3 mo
    $8.99 $4.94 45% off with code GOBIG
    70% off estimated retail
    Baby Gap Pullover Sweater (view 2)Baby Gap Pullover Sweater (view 1)Price Drop
    View Product: Baby Gap Pullover Sweater

    Baby Gap

    Pullover Sweater
    Size 0-3 mo
    $15.99 $8.79 45% off with code GOBIG
    73% off estimated retail
    Little Lad Long Sleeve T-Shirt (view 2)Little Lad Long Sleeve T-Shirt (view 1)Price Drop
    View Product: Little Lad Long Sleeve T-Shirt

    Little Lad

    Long Sleeve T-Shirt
    Size 0-3 mo
    $10.24 $5.63 45% off with code GOBIG
    55% off estimated retail
    Peek... Zip Up Hoodie (view 2)Peek... Zip Up Hoodie (view 1)Price Drop
    View Product: Peek... Zip Up Hoodie

    Peek...

    Zip Up Hoodie
    Size 0-3 mo
    $11.24 $6.18 45% off with code GOBIG
    79% off estimated retail
    Mamas & Papas Long Sleeve Button-Down Shirt (view 2)Mamas & Papas Long Sleeve Button-Down Shirt (view 1)
    View Product: Mamas & Papas Long Sleeve Button-Down Shirt

    Mamas & Papas

    Long Sleeve Button-Down Shirt
    Size 0-3 mo
    $7.99 $4.39 45% off with code GOBIG
    63% off estimated retail
    Small Wonders Sweatshirt (view 2)Small Wonders Sweatshirt (view 1)Price Drop
    View Product: Small Wonders Sweatshirt

    Small Wonders

    Sweatshirt
    Size 0-3 mo
    $11.24 $6.18 45% off with code GOBIG
    46% off estimated retail
    Medline Long Sleeve T-Shirt (view 2)Medline Long Sleeve T-Shirt (view 1)Price Drop
    View Product: Medline Long Sleeve T-Shirt

    Medline

    Long Sleeve T-Shirt
    Size 0-3 mo
    $7.99 $4.39 45% off with code GOBIG
    $7
    Cat & Jack Long Sleeve Henley (view 2)Cat & Jack Long Sleeve Henley (view 1)Price Drop
    View Product: Cat & Jack Long Sleeve Henley

    Cat & Jack

    Long Sleeve Henley
    Size 0-3 mo
    $7.24 $3.98 45% off with code GOBIG
    64% off estimated retail
    Wonder Nation Sweatshirt (view 2)Wonder Nation Sweatshirt (view 1)Price Drop
    View Product: Wonder Nation Sweatshirt

    Wonder Nation

    Sweatshirt
    Size 0-3 mo
    $8.24 $4.53 45% off with code GOBIG
    42% off estimated retail
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