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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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    The Children's Place Zip Up Hoodie (view 2)The Children's Place Zip Up Hoodie (view 1)
    View Product: The Children's Place Zip Up Hoodie

    The Children's Place

    Zip Up Hoodie
    Size 4T
    $16.99
    48% off estimated retail
    Polo by Ralph Lauren Short Sleeve T-Shirt (view 2)Polo by Ralph Lauren Short Sleeve T-Shirt (view 1)Flawed Gem
    View Product: Polo by Ralph Lauren Short Sleeve T-Shirt

    Polo by Ralph Lauren

    Short Sleeve T-Shirt
    Size 4T
    $13.99
    50% off estimated retail
    Ralph Lauren Long Sleeve Button-Down Shirt (view 2)Ralph Lauren Long Sleeve Button-Down Shirt (view 1)New With Tags
    View Product: Ralph Lauren Long Sleeve Button-Down Shirt

    Ralph Lauren

    Long Sleeve Button-Down Shirt
    Size 4T
    $11.99
    73% off estimated retail
    Polo by Ralph Lauren Short Sleeve Polo (view 2)Polo by Ralph Lauren Short Sleeve Polo (view 1)
    View Product: Polo by Ralph Lauren Short Sleeve Polo

    Polo by Ralph Lauren

    Short Sleeve Polo
    Size 4T
    $13.99
    71% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Instant Message Short Sleeve T-Shirt (view 2)Instant Message Short Sleeve T-Shirt (view 1)
    View Product: Instant Message Short Sleeve T-Shirt

    Instant Message

    Short Sleeve T-Shirt
    Size 4T
    $8.99
    50% off estimated retail
    Instant Message Short Sleeve T-Shirt (view 2)Instant Message Short Sleeve T-Shirt (view 1)
    View Product: Instant Message Short Sleeve T-Shirt

    Instant Message

    Short Sleeve T-Shirt
    Size 4T
    $7.99
    55% 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
    $17.99
    62% 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 4T
    $16.99
    52% off estimated retail
    Egg New York Long Sleeve Button-Down Shirt (view 2)Egg New York Long Sleeve Button-Down Shirt (view 1)
    View Product: Egg New York Long Sleeve Button-Down Shirt

    Egg New York

    Long Sleeve Button-Down Shirt
    Size 4T
    $57.99
    56% off estimated retail
    LEGO X Target Pullover Sweater (view 2)LEGO X Target Pullover Sweater (view 1)
    View Product: LEGO X Target Pullover Sweater

    LEGO X Target

    Pullover Sweater
    Size 4T
    $12.99
    52% 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 4T
    $15.99
    61% 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 4T
    $18.99
    52% 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
    $17.99 $14.39 20% off with code HOTDEAL
    76% off estimated retail
    Vineyard Vines Long Sleeve T-Shirt (view 2)Vineyard Vines Long Sleeve T-Shirt (view 1)
    View Product: Vineyard Vines Long Sleeve T-Shirt

    Vineyard Vines

    Long Sleeve T-Shirt
    Size 4T
    $12.99 $9.74 25% off with code HOTDEAL
    47% off estimated retail
    Ralph Lauren Short Sleeve Button-Down Shirt (view 2)Ralph Lauren Short Sleeve Button-Down Shirt (view 1)
    View Product: Ralph Lauren Short Sleeve Button-Down Shirt

    Ralph Lauren

    Short Sleeve Button-Down Shirt
    Size 4T
    $12.99 $10.39 20% off with code HOTDEAL
    65% off estimated retail
    Veggie Tales Long Sleeve T-Shirt (view 2)Veggie Tales Long Sleeve T-Shirt (view 1)
    View Product: Veggie Tales Long Sleeve T-Shirt

    Veggie Tales

    Long Sleeve T-Shirt
    Size 4T
    $7.99 $6.39 20% off with code HOTDEAL
    22% off estimated retail
    Wrangler Jeans Co Long Sleeve Button-Down Shirt (view 2)Wrangler Jeans Co Long Sleeve Button-Down Shirt (view 1)
    View Product: Wrangler Jeans Co Long Sleeve Button-Down Shirt

    Wrangler Jeans Co

    Long Sleeve Button-Down Shirt
    Size 4T
    $8.99 $7.19 20% off with code HOTDEAL
    70% off estimated retail
    Vineyard Vines Sweatshirt (view 2)Vineyard Vines Sweatshirt (view 1)
    View Product: Vineyard Vines Sweatshirt

    Vineyard Vines

    Sweatshirt
    Size 4T
    $16.99 $11.04 35% off with code HOTDEAL
    68% off estimated retail
    The Beaufort Bonnet Company Long Sleeve Button-Down Shirt (view 2)The Beaufort Bonnet Company Long Sleeve Button-Down Shirt (view 1)
    View Product: The Beaufort Bonnet Company Long Sleeve Button-Down Shirt

    The Beaufort Bonnet Company

    Long Sleeve Button-Down Shirt
    Size 4T
    $28.99 $13.05 55% off with code HOTDEAL
    68% off estimated retail
    Polo by Ralph Lauren Zip Up Hoodie (view 2)Polo by Ralph Lauren Zip Up Hoodie (view 1)
    View Product: Polo by Ralph Lauren Zip Up Hoodie

    Polo by Ralph Lauren

    Zip Up Hoodie
    Size 4T
    $21.99 $16.49 25% off with code HOTDEAL
    60% off estimated retail
    Mud Pie Long Sleeve T-Shirt (view 2)Mud Pie Long Sleeve T-Shirt (view 1)
    View Product: Mud Pie Long Sleeve T-Shirt

    Mud Pie

    Long Sleeve T-Shirt
    Size 4T
    $11.99 $9.59 20% off with code HOTDEAL
    44% off estimated retail
    Tommy Hilfiger Pullover Sweater (view 2)Tommy Hilfiger Pullover Sweater (view 1)
    View Product: Tommy Hilfiger Pullover Sweater

    Tommy Hilfiger

    Pullover Sweater
    Size 4T
    $20.99 $16.79 20% off with code HOTDEAL
    70% off estimated retail
    Polo by Ralph Lauren Pullover Sweater (view 2)Polo by Ralph Lauren Pullover Sweater (view 1)
    View Product: Polo by Ralph Lauren Pullover Sweater

    Polo by Ralph Lauren

    Pullover Sweater
    Size 4T
    $22.99 $17.24 25% off with code HOTDEAL
    67% off estimated retail
    OshKosh B'gosh Sweatshirt (view 2)OshKosh B'gosh Sweatshirt (view 1)
    View Product: OshKosh B'gosh Sweatshirt

    OshKosh B'gosh

    Sweatshirt
    Size 4T
    $12.99 $10.39 20% off with code HOTDEAL
    31% off estimated retail
    Baby Soy Zip Up Hoodie (view 2)Baby Soy Zip Up Hoodie (view 1)
    View Product: Baby Soy Zip Up Hoodie

    Baby Soy

    Zip Up Hoodie
    Size 4T
    $11.99 $9.59 20% off with code HOTDEAL
    59% 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 4T
    $23.99 $16.79 30% off with code HOTDEAL
    51% off estimated retail
    Cotton Blu Long Sleeve Button-Down Shirt (view 2)Cotton Blu Long Sleeve Button-Down Shirt (view 1)
    View Product: Cotton Blu Long Sleeve Button-Down Shirt

    Cotton Blu

    Long Sleeve Button-Down Shirt
    Size 4T
    $11.99 $9.59 20% off with code HOTDEAL
    38% off estimated retail
    Old Navy Long Sleeve T-Shirt (view 2)Old Navy Long Sleeve T-Shirt (view 1)Flawed Gem
    View Product: Old Navy Long Sleeve T-Shirt

    Old Navy

    Long Sleeve T-Shirt
    Size 4T
    $12.99 $10.39 20% off with code HOTDEAL
    21% off estimated retail
    Carter's Short Sleeve Polo (view 2)Carter's Short Sleeve Polo (view 1)
    View Product: Carter's Short Sleeve Polo

    Carter's

    Short Sleeve Polo
    Size 4T
    $10.99 $8.79 20% off with code HOTDEAL
    62% off estimated retail
    Marvel Sweatshirt (view 2)Marvel Sweatshirt (view 1)
    View Product: Marvel Sweatshirt

    Marvel

    Sweatshirt
    Size 4T
    $22.99 $17.24 25% off with code HOTDEAL
    47% off estimated retail
    Nike Active T-Shirt (view 2)Nike Active T-Shirt (view 1)Flawed Gem
    View Product: Nike Active T-Shirt

    Nike

    Active T-Shirt
    Size 4T
    $11.99 $9.59 20% off with code HOTDEAL
    61% off estimated retail
    Rorie Whelan Pullover Sweater (view 2)Rorie Whelan Pullover Sweater (view 1)
    View Product: Rorie Whelan Pullover Sweater

    Rorie Whelan

    Pullover Sweater
    Size 4T
    $10.99 $8.79 20% off with code HOTDEAL
    64% 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
    $21.99 $16.49 25% off with code HOTDEAL
    71% off estimated retail
    Polo by Ralph Lauren Sweatshirt (view 2)Polo by Ralph Lauren Sweatshirt (view 1)Flawed Gem
    View Product: Polo by Ralph Lauren Sweatshirt

    Polo by Ralph Lauren

    Sweatshirt
    Size 4T
    $15.99 $12.79 20% off with code HOTDEAL
    77% 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
    $20.99 $13.64 35% off with code HOTDEAL
    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 4T
    $21.99 $16.49 25% off with code HOTDEAL
    71% off estimated retail
    dip Long Sleeve Button-Down Shirt (view 2)dip Long Sleeve Button-Down Shirt (view 1)
    View Product: dip Long Sleeve Button-Down Shirt

    dip

    Long Sleeve Button-Down Shirt
    Size 4T
    $12.99 $10.39 20% off with code HOTDEAL
    38% off estimated retail
    Nike Pullover Hoodie (view 2)Nike Pullover Hoodie (view 1)
    View Product: Nike Pullover Hoodie

    Nike

    Pullover Hoodie
    Size 4T
    $20.99 $14.69 30% off with code HOTDEAL
    62% off estimated retail
    Polo by Ralph Lauren Long Sleeve Polo (view 2)Polo by Ralph Lauren Long Sleeve Polo (view 1)
    View Product: Polo by Ralph Lauren Long Sleeve Polo

    Polo by Ralph Lauren

    Long Sleeve Polo
    Size 4T
    $15.99 $12.79 20% off with code HOTDEAL
    69% off estimated retail
    Nike Pullover Hoodie (view 2)Nike Pullover Hoodie (view 1)
    View Product: Nike Pullover Hoodie

    Nike

    Pullover Hoodie
    Size 4T
    $26.99 $17.54 35% off with code HOTDEAL
    51% 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 4T
    $20.99 $16.79 20% off with code HOTDEAL
    54% off estimated retail
    OshKosh B'gosh Zip Up Hoodie (view 2)OshKosh B'gosh Zip Up Hoodie (view 1)
    View Product: OshKosh B'gosh Zip Up Hoodie

    OshKosh B'gosh

    Zip Up Hoodie
    Size 4T
    $12.99 $10.39 20% off with code HOTDEAL
    69% 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 4T
    $17.99 $14.39 20% off with code HOTDEAL
    59% off estimated retail
    Nickelodeon Zip Up Hoodie (view 2)Nickelodeon Zip Up Hoodie (view 1)
    View Product: Nickelodeon Zip Up Hoodie

    Nickelodeon

    Zip Up Hoodie
    Size 4T
    $17.99 $14.39 20% off with code HOTDEAL
    44% 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 4T
    $10.99 $8.79 20% off with code HOTDEAL
    50% off estimated retail
    Andy & Evan Long Sleeve Button-Down Shirt (view 2)Andy & Evan Long Sleeve Button-Down Shirt (view 1)
    View Product: Andy & Evan Long Sleeve Button-Down Shirt

    Andy & Evan

    Long Sleeve Button-Down Shirt
    Size 4T
    $20.99 $16.79 20% off with code HOTDEAL
    81% off estimated retail
    Class Club Long Sleeve Button-Down Shirt (view 2)Class Club Long Sleeve Button-Down Shirt (view 1)
    View Product: Class Club Long Sleeve Button-Down Shirt

    Class Club

    Long Sleeve Button-Down Shirt
    Size 4T
    $13.99 $11.19 20% off with code HOTDEAL
    55% off estimated retail
    Marvel Pullover Hoodie (view 2)Marvel Pullover Hoodie (view 1)
    View Product: Marvel Pullover Hoodie

    Marvel

    Pullover Hoodie
    Size 4T
    $22.99 $14.94 35% off with code HOTDEAL
    47% off estimated retail
    Old Navy Long Sleeve Henley (view 2)Old Navy Long Sleeve Henley (view 1)
    View Product: Old Navy Long Sleeve Henley

    Old Navy

    Long Sleeve Henley
    Size 4T
    $10.99 $8.79 20% off with code HOTDEAL
    43% off estimated retail
    Fisher Price Short Sleeve Polo (view 2)Fisher Price Short Sleeve Polo (view 1)
    View Product: Fisher Price Short Sleeve Polo

    Fisher Price

    Short Sleeve Polo
    Size 4T
    $10.99 $8.79 20% off with code HOTDEAL
    28% off estimated retail
    Members Only Short Sleeve T-Shirt (view 2)Members Only Short Sleeve T-Shirt (view 1)
    View Product: Members Only Short Sleeve T-Shirt

    Members Only

    Short Sleeve T-Shirt
    Size 4T
    $15.99 $11.99 25% off with code HOTDEAL
    63% 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
    $17.99 $14.39 20% off with code HOTDEAL
    76% 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
    $17.99 $14.39 20% off with code HOTDEAL
    76% off estimated retail
    Marvel Zip Up Hoodie (view 2)Marvel Zip Up Hoodie (view 1)
    View Product: Marvel Zip Up Hoodie

    Marvel

    Zip Up Hoodie
    Size 4T
    $22.99 $17.24 25% off with code HOTDEAL
    47% off estimated retail
    Nike Long Sleeve T-Shirt (view 2)Nike Long Sleeve T-Shirt (view 1)
    View Product: Nike Long Sleeve T-Shirt

    Nike

    Long Sleeve T-Shirt
    Size 4T
    $18.99 $13.29 30% off with code HOTDEAL
    58% off estimated retail
    Shrimp & Grits Kids Long Sleeve Button-Down Shirt (view 2)Shrimp & Grits Kids Long Sleeve Button-Down Shirt (view 1)
    View Product: Shrimp & Grits Kids Long Sleeve Button-Down Shirt

    Shrimp & Grits Kids

    Long Sleeve Button-Down Shirt
    Size 4T
    $20.99 $15.74 25% off with code HOTDEAL
    69% off estimated retail
    AUTHENTIC CGW SPORTWEAR Thermal Top (view 2)AUTHENTIC CGW SPORTWEAR Thermal Top (view 1)
    View Product: AUTHENTIC CGW SPORTWEAR Thermal Top

    AUTHENTIC CGW SPORTWEAR

    Thermal Top
    Size 4T
    $7.99 $6.39 20% off with code HOTDEAL
    22% off estimated retail
    Gymboree Zip Up Hoodie (view 2)Gymboree Zip Up Hoodie (view 1)
    View Product: Gymboree Zip Up Hoodie

    Gymboree

    Zip Up Hoodie
    Size 4T
    $11.99 $9.59 20% off with code HOTDEAL
    73% off estimated retail
    Egg New York Long Sleeve Button-Down Shirt (view 2)Egg New York Long Sleeve Button-Down Shirt (view 1)
    View Product: Egg New York Long Sleeve Button-Down Shirt

    Egg New York

    Long Sleeve Button-Down Shirt
    Size 4T
    $18.99 $14.24 25% off with code HOTDEAL
    85% off estimated retail
    Roots 73 Sweatshirt (view 2)Roots 73 Sweatshirt (view 1)
    View Product: Roots 73 Sweatshirt

    Roots 73

    Sweatshirt
    Size 4T
    $21.99 $12.09 45% off with code HOTDEAL
    57% off estimated retail
    Hanna Andersson Pullover Sweater (view 2)Hanna Andersson Pullover Sweater (view 1)Price Drop
    View Product: Hanna Andersson Pullover Sweater

    Hanna Andersson

    Pullover Sweater
    Size 4T
    $30.99 $10.85 65% off with code HOTDEAL
    53% off estimated retail
    Zuccini Long Sleeve Button-Down Shirt (view 2)Zuccini Long Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: Zuccini Long Sleeve Button-Down Shirt

    Zuccini

    Long Sleeve Button-Down Shirt
    Size 4T
    $18.99 $9.50 50% off with code HOTDEAL
    69% off estimated retail
    Badge Long Sleeve Button-Down Shirt (view 2)Badge Long Sleeve Button-Down Shirt (view 1)
    View Product: Badge Long Sleeve Button-Down Shirt

    Badge

    Long Sleeve Button-Down Shirt
    Size 4T
    $10.99 $6.04 45% off with code HOTDEAL
    44% off estimated retail
    Egg New York Long Sleeve Henley (view 2)Egg New York Long Sleeve Henley (view 1)Price Drop
    View Product: Egg New York Long Sleeve Henley

    Egg New York

    Long Sleeve Henley
    Size 4T
    $47.99 $21.60 55% off with code HOTDEAL
    73% off estimated retail
    Ragwear Zip Up Hoodie (view 2)Ragwear Zip Up Hoodie (view 1)Price Drop
    View Product: Ragwear Zip Up Hoodie

    Ragwear

    Zip Up Hoodie
    Size 4T
    $11.99 $5.40 55% off with code HOTDEAL
    59% off estimated retail
    J.Crew Long Sleeve Button-Down Shirt (view 2)J.Crew Long Sleeve Button-Down Shirt (view 1)
    View Product: J.Crew Long Sleeve Button-Down Shirt

    J.Crew

    Long Sleeve Button-Down Shirt
    Size 4T
    $13.99
    76% off estimated retail
    pd&c Long Sleeve Button-Down Shirt (view 2)pd&c Long Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: pd&c Long Sleeve Button-Down Shirt

    pd&c

    Long Sleeve Button-Down Shirt
    Size 4T
    $13.99 $8.39 40% off with code HOTDEAL
    80% off estimated retail
    Ragwear Zip Up Hoodie (view 2)Ragwear Zip Up Hoodie (view 1)Price Drop
    View Product: Ragwear Zip Up Hoodie

    Ragwear

    Zip Up Hoodie
    Size 4T
    $11.99 $5.40 55% off with code HOTDEAL
    59% off estimated retail
    Crown & Ivy Short Sleeve Polo (view 2)Crown & Ivy Short Sleeve Polo (view 1)Price Drop
    View Product: Crown & Ivy Short Sleeve Polo

    Crown & Ivy

    Short Sleeve Polo
    Size 4T
    $19.99 $10.00 50% off with code HOTDEAL
    81% off estimated retail
    TFW Long Sleeve Button-Down Shirt (view 2)TFW Long Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: TFW Long Sleeve Button-Down Shirt

    TFW

    Long Sleeve Button-Down Shirt
    Size 4T
    $16.24 $9.74 40% off with code HOTDEAL
    77% off estimated retail
    Gymboree Long Sleeve Button-Down Shirt (view 2)Gymboree Long Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: Gymboree Long Sleeve Button-Down Shirt

    Gymboree

    Long Sleeve Button-Down Shirt
    Size 4T
    $12.24 $7.34 40% off with code HOTDEAL
    65% off estimated retail
    Carter's Long Sleeve Button-Down Shirt (view 2)Carter's Long Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: Carter's Long Sleeve Button-Down Shirt

    Carter's

    Long Sleeve Button-Down Shirt
    Size 4T
    $10.99 $6.59 40% off with code HOTDEAL
    67% off estimated retail
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