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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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44 items
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    Tea Pullover Hoodie (view 2)Tea Pullover Hoodie (view 1)
    View Product: Tea Pullover Hoodie

    Tea

    Pullover Hoodie
    Size 12-18 mo
    $16.99 $9.34 45% off with code GOBIG
    59% off estimated retail
    Splendid Short Sleeve T-Shirt (view 2)Splendid Short Sleeve T-Shirt (view 1)
    View Product: Splendid Short Sleeve T-Shirt

    Splendid

    Short Sleeve T-Shirt
    Size 12-18 mo
    $10.99 $6.04 45% off with code GOBIG
    54% off estimated retail
    Baby Gap Pullover Hoodie (view 2)Baby Gap Pullover Hoodie (view 1)
    View Product: Baby Gap Pullover Hoodie

    Baby Gap

    Pullover Hoodie
    Size 12-18 mo
    $20.99 $11.54 45% off with code GOBIG
    50% off estimated retail
    Converse Pullover Hoodie (view 2)Converse Pullover Hoodie (view 1)
    View Product: Converse Pullover Hoodie

    Converse

    Pullover Hoodie
    Size 3T
    $22.99 $12.64 45% off with code GOBIG
    41% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Princess Awesome Long Sleeve T-Shirt (view 2)Princess Awesome Long Sleeve T-Shirt (view 1)
    View Product: Princess Awesome Long Sleeve T-Shirt

    Princess Awesome

    Long Sleeve T-Shirt
    Size 3T
    $9.99 $5.49 45% off with code GOBIG
    50% off estimated retail
    Hart + Land Sweatshirt (view 2)Hart + Land Sweatshirt (view 1)
    View Product: Hart + Land Sweatshirt

    Hart + Land

    Sweatshirt
    Size 3-6 mo
    $26.99 $14.84 45% off with code GOBIG
    67% off estimated retail
    Polo by Ralph Lauren Pullover Hoodie (view 2)Polo by Ralph Lauren Pullover Hoodie (view 1)
    View Product: Polo by Ralph Lauren Pullover Hoodie

    Polo by Ralph Lauren

    Pullover Hoodie
    Size 3T
    $15.99 $8.79 45% off with code GOBIG
    71% off estimated retail
    Zara Baby Short Sleeve T-Shirt (view 2)Zara Baby Short Sleeve T-Shirt (view 1)
    View Product: Zara Baby Short Sleeve T-Shirt

    Zara Baby

    Short Sleeve T-Shirt
    Size 12-18 mo
    $10.99 $6.04 45% off with code GOBIG
    40% off estimated retail
    Zara Baby Pullover Sweater (view 2)Zara Baby Pullover Sweater (view 1)
    View Product: Zara Baby Pullover Sweater

    Zara Baby

    Pullover Sweater
    Size 12-18 mo
    $17.99 $9.89 45% off with code GOBIG
    58% off estimated retail
    Timberland Sweatshirt (view 2)Timberland Sweatshirt (view 1)
    View Product: Timberland Sweatshirt

    Timberland

    Sweatshirt
    Size 3T
    $27.99 $15.39 45% off with code GOBIG
    68% off estimated retail
    Huntington Beach Club Zip Up Hoodie (view 2)Huntington Beach Club Zip Up Hoodie (view 1)
    View Product: Huntington Beach Club Zip Up Hoodie

    Huntington Beach Club

    Zip Up Hoodie
    Size 3T
    $23.99 $13.19 45% off with code GOBIG
    61% 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 5T
    $12.99 $7.14 45% off with code GOBIG
    59% off estimated retail
    Tommy Bahama Zip Up Hoodie (view 2)Tommy Bahama Zip Up Hoodie (view 1)
    View Product: Tommy Bahama Zip Up Hoodie

    Tommy Bahama

    Zip Up Hoodie
    Size 3T
    $19.99 $10.99 45% off with code GOBIG
    55% off estimated retail
    Mori Short Sleeve T-Shirt (view 2)Mori Short Sleeve T-Shirt (view 1)
    View Product: Mori Short Sleeve T-Shirt

    Mori

    Short Sleeve T-Shirt
    Size 12-18 mo
    $11.99 $6.59 45% off with code GOBIG
    54% off estimated retail
    BucketFeet Sweatshirt (view 2)BucketFeet Sweatshirt (view 1)
    View Product: BucketFeet Sweatshirt

    BucketFeet

    Sweatshirt
    Size 3T
    $19.99 $10.99 45% off with code GOBIG
    50% off estimated retail
    Art & Eden Sweatshirt (view 2)Art & Eden Sweatshirt (view 1)
    View Product: Art & Eden Sweatshirt

    Art & Eden

    Sweatshirt
    Size 3T
    $18.99 $10.44 45% off with code GOBIG
    52% off estimated retail
    Zara Baby Pullover Sweater (view 2)Zara Baby Pullover Sweater (view 1)
    View Product: Zara Baby Pullover Sweater

    Zara Baby

    Pullover Sweater
    Size 12-18 mo
    $16.99 $9.34 45% off with code GOBIG
    61% off estimated retail
    Burt's Bees Baby Sweatshirt (view 2)Burt's Bees Baby Sweatshirt (view 1)
    View Product: Burt's Bees Baby Sweatshirt

    Burt's Bees Baby

    Sweatshirt
    Size 3-6 mo
    $13.99 $7.69 45% off with code GOBIG
    20% off estimated retail
    Albetta Long Sleeve T-Shirt (view 2)Albetta Long Sleeve T-Shirt (view 1)
    View Product: Albetta Long Sleeve T-Shirt

    Albetta

    Long Sleeve T-Shirt
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    66% off estimated retail
    Zara Baby Pullover Hoodie (view 2)Zara Baby Pullover Hoodie (view 1)
    View Product: Zara Baby Pullover Hoodie

    Zara Baby

    Pullover Hoodie
    Size 12-18 mo
    $15.99 $8.79 45% off with code GOBIG
    55% off estimated retail
    Janie and Jack Long Sleeve Button-Down Shirt (view 2)Janie and Jack Long Sleeve Button-Down Shirt (view 1)
    View Product: Janie and Jack Long Sleeve Button-Down Shirt

    Janie and Jack

    Long Sleeve Button-Down Shirt
    Size 12-18 mo
    $17.99 $9.89 45% off with code GOBIG
    61% off estimated retail
    Rachel Zoe Short Sleeve Henley (view 2)Rachel Zoe Short Sleeve Henley (view 1)
    View Product: Rachel Zoe Short Sleeve Henley

    Rachel Zoe

    Short Sleeve Henley
    Size 3-6 mo
    $50.99 $28.04 45% off with code GOBIG
    58% off estimated retail
    Shilav Short Sleeve T-Shirt (view 2)Shilav Short Sleeve T-Shirt (view 1)
    View Product: Shilav Short Sleeve T-Shirt

    Shilav

    Short Sleeve T-Shirt
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    46% off estimated retail
    Unbranded Pullover Hoodie (view 2)Unbranded Pullover Hoodie (view 1)
    View Product: Unbranded Pullover Hoodie

    Unbranded

    Pullover Hoodie
    Size 12-18 mo
    $12.99 $7.14 45% off with code GOBIG
    55% off estimated retail
    Janie and Jack Short Sleeve Button-Down Shirt (view 2)Janie and Jack Short Sleeve Button-Down Shirt (view 1)
    View Product: Janie and Jack Short Sleeve Button-Down Shirt

    Janie and Jack

    Short Sleeve Button-Down Shirt
    Size 12-18 mo
    $16.99 $9.34 45% off with code GOBIG
    64% off estimated retail
    Old Navy Long Sleeve Button-Down Shirt (view 2)Old Navy Long Sleeve Button-Down Shirt (view 1)
    View Product: Old Navy Long Sleeve Button-Down Shirt

    Old Navy

    Long Sleeve Button-Down Shirt
    Size 12-18 mo
    $7.99 $4.39 45% off with code GOBIG
    56% off estimated retail
    Janie and Jack Long Sleeve Button-Down Shirt (view 2)Janie and Jack Long Sleeve Button-Down Shirt (view 1)
    View Product: Janie and Jack Long Sleeve Button-Down Shirt

    Janie and Jack

    Long Sleeve Button-Down Shirt
    Size 12-18 mo
    $11.99 $6.59 45% off with code GOBIG
    74% off estimated retail
    PatPat Thermal Top (view 2)PatPat Thermal Top (view 1)
    View Product: PatPat Thermal Top

    PatPat

    Thermal Top
    Size 3-6 mo
    $6.99 $3.84 45% off with code GOBIG
    14% off estimated retail
    7 For All Mankind Sweatshirt (view 2)7 For All Mankind Sweatshirt (view 1)
    View Product: 7 For All Mankind Sweatshirt

    7 For All Mankind

    Sweatshirt
    Size 3-6 mo
    $17.99 $9.89 45% off with code GOBIG
    63% off estimated retail
    Zara Baby Sweatshirt (view 2)Zara Baby Sweatshirt (view 1)
    View Product: Zara Baby Sweatshirt

    Zara Baby

    Sweatshirt
    Size 12-18 mo
    $17.99 $9.89 45% off with code GOBIG
    48% off estimated retail
    Assorted Brands Sweatshirt (view 2)Assorted Brands Sweatshirt (view 1)Price Drop
    View Product: Assorted Brands Sweatshirt

    Assorted Brands

    Sweatshirt
    Size 12-18 mo
    $13.99 $7.69 45% off with code GOBIG
    58% off estimated retail
    Assorted Brands Long Sleeve T-Shirt (view 2)Assorted Brands Long Sleeve T-Shirt (view 1)New With Tags
    View Product: Assorted Brands Long Sleeve T-Shirt

    Assorted Brands

    Long Sleeve T-Shirt
    Size 3-6 mo
    $12.99 $7.14 45% off with code GOBIG
    48% off estimated retail
    United Colors Of Benetton Short Sleeve T-Shirt (view 2)United Colors Of Benetton Short Sleeve T-Shirt (view 1)Price Drop
    View Product: United Colors Of Benetton Short Sleeve T-Shirt

    United Colors Of Benetton

    Short Sleeve T-Shirt
    Size 12-18 mo
    $9.99 $5.49 45% off with code GOBIG
    46% off estimated retail
    Colored Organics Long Sleeve T-Shirt (view 2)Colored Organics Long Sleeve T-Shirt (view 1)Price Drop
    View Product: Colored Organics Long Sleeve T-Shirt

    Colored Organics

    Long Sleeve T-Shirt
    Size 12-18 mo
    $11.99 $6.59 45% off with code GOBIG
    59% off estimated retail
    Colored Organics Long Sleeve T-Shirt (view 2)Colored Organics Long Sleeve T-Shirt (view 1)Price Drop
    View Product: Colored Organics Long Sleeve T-Shirt

    Colored Organics

    Long Sleeve T-Shirt
    Size 12-18 mo
    $11.99 $6.59 45% off with code GOBIG
    59% off estimated retail
    Nautica Long Sleeve Button-Down Shirt (view 2)Nautica Long Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: Nautica Long Sleeve Button-Down Shirt

    Nautica

    Long Sleeve Button-Down Shirt
    Size 3T
    $13.99 $7.69 45% off with code GOBIG
    66% off estimated retail
    Child of Mine by Carter's Long Sleeve T-Shirt (view 2)Child of Mine by Carter's Long Sleeve T-Shirt (view 1)Price Drop
    View Product: Child of Mine by Carter's Long Sleeve T-Shirt

    Child of Mine by Carter's

    Long Sleeve T-Shirt
    Size 3-6 mo
    $8.99 $4.94 45% off with code GOBIG
    $7
    CALVIN KLEIN JEANS Long Sleeve T-Shirt (view 2)CALVIN KLEIN JEANS Long Sleeve T-Shirt (view 1)Price Drop
    View Product: CALVIN KLEIN JEANS Long Sleeve T-Shirt

    CALVIN KLEIN JEANS

    Long Sleeve T-Shirt
    Size 3-6 mo
    $6.99 $3.84 45% off with code GOBIG
    54% off estimated retail
    Unbranded Sweatshirt (view 2)Unbranded Sweatshirt (view 1)Price Drop
    View Product: Unbranded Sweatshirt

    Unbranded

    Sweatshirt
    Size 3-6 mo
    $13.99 $7.69 45% off with code GOBIG
    65% off estimated retail
    Miniwear Sweatshirt (view 2)Miniwear Sweatshirt (view 1)Price Drop
    View Product: Miniwear Sweatshirt

    Miniwear

    Sweatshirt
    Size 3-6 mo
    $8.99 $4.94 45% off with code GOBIG
    46% off estimated retail
    Nautica Short Sleeve Button-Down Shirt (view 2)Nautica Short Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: Nautica Short Sleeve Button-Down Shirt

    Nautica

    Short Sleeve Button-Down Shirt
    Size 3-6 mo
    $11.99 $6.59 45% off with code GOBIG
    54% off estimated retail
    The Children's Place Short Sleeve Button-Down Shirt (view 2)The Children's Place Short Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: The Children's Place Short Sleeve Button-Down Shirt

    The Children's Place

    Short Sleeve Button-Down Shirt
    Size 3-6 mo
    $11.24 $6.18 45% off with code GOBIG
    52% off estimated retail
    Baby Togs Short Sleeve Polo (view 2)Baby Togs Short Sleeve Polo (view 1)Price Drop
    View Product: Baby Togs Short Sleeve Polo

    Baby Togs

    Short Sleeve Polo
    Size 3-6 mo
    $7.99 $4.39 45% off with code GOBIG
    56% off estimated retail
    Kidgets Thermal Top (view 2)Kidgets Thermal Top (view 1)Price Drop
    View Product: Kidgets Thermal Top

    Kidgets

    Thermal Top
    Size 3-6 mo
    $7.99 $4.39 45% off with code GOBIG
    $7
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