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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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56 items
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    Adidas Long Sleeve T-Shirt (view 2)Adidas Long Sleeve T-Shirt (view 1)
    View Product: Adidas Long Sleeve T-Shirt

    Adidas

    Long Sleeve T-Shirt
    Size 14
    $18.99
    65% off estimated retail
    Orchestra Long Sleeve Button-Down Shirt (view 2)Orchestra Long Sleeve Button-Down Shirt (view 1)
    View Product: Orchestra Long Sleeve Button-Down Shirt

    Orchestra

    Long Sleeve Button-Down Shirt
    Size 5T
    $8.99
    55% off estimated retail
    H&M Sweatshirt (view 2)H&M Sweatshirt (view 1)
    View Product: H&M Sweatshirt

    H&M

    Sweatshirt
    Size 8
    $13.99
    35% 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 16
    $39.99
    55% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    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 12 mo
    $22.99
    70% off estimated retail
    Nike Long Sleeve T-Shirt (view 2)Nike Long Sleeve T-Shirt (view 1)Flawed Gem
    View Product: Nike Long Sleeve T-Shirt

    Nike

    Long Sleeve T-Shirt
    Size 12 mo
    $13.99
    53% off estimated retail
    Mayoral Long Sleeve T-Shirt (view 2)Mayoral Long Sleeve T-Shirt (view 1)
    View Product: Mayoral Long Sleeve T-Shirt

    Mayoral

    Long Sleeve T-Shirt
    Size Newborn
    $11.99
    54% off estimated retail
    Nike Pullover Hoodie (view 2)Nike Pullover Hoodie (view 1)
    View Product: Nike Pullover Hoodie

    Nike

    Pullover Hoodie
    Size Medium kids
    $21.99
    63% 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
    $18.99
    56% off estimated retail
    Johnnie-O Long Sleeve Button-Down Shirt (view 2)Johnnie-O Long Sleeve Button-Down Shirt (view 1)
    View Product: Johnnie-O Long Sleeve Button-Down Shirt

    Johnnie-O

    Long Sleeve Button-Down Shirt
    Size 8
    $26.99
    71% 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 7
    $36.99
    45% off estimated retail
    Tommy Hilfiger Long Sleeve Button-Down Shirt (view 2)Tommy Hilfiger Long Sleeve Button-Down Shirt (view 1)
    View Product: Tommy Hilfiger Long Sleeve Button-Down Shirt

    Tommy Hilfiger

    Long Sleeve Button-Down Shirt
    Size 16
    $17.99 $14.39 20% off with code HOTDEAL
    72% off estimated retail
    Ike Behar Long Sleeve Button-Down Shirt (view 2)Ike Behar Long Sleeve Button-Down Shirt (view 1)
    View Product: Ike Behar Long Sleeve Button-Down Shirt

    Ike Behar

    Long Sleeve Button-Down Shirt
    Size 16
    $16.99 $13.59 20% off with code HOTDEAL
    68% off estimated retail
    Milon Pullover Sweater (view 2)Milon Pullover Sweater (view 1)
    View Product: Milon Pullover Sweater

    Milon

    Pullover Sweater
    Size 4
    $15.99 $12.79 20% off with code HOTDEAL
    50% off estimated retail
    Samgami Baby Long Sleeve Button-Down Shirt (view 2)Samgami Baby Long Sleeve Button-Down Shirt (view 1)New With Tags
    View Product: Samgami Baby Long Sleeve Button-Down Shirt

    Samgami Baby

    Long Sleeve Button-Down Shirt
    Size 120 cm
    $16.99 $13.59 20% off with code HOTDEAL
    54% off estimated retail
    Zara Baby Long Sleeve Button-Down Shirt (view 2)Zara Baby Long Sleeve Button-Down Shirt (view 1)
    View Product: Zara Baby Long Sleeve Button-Down Shirt

    Zara Baby

    Long Sleeve Button-Down Shirt
    Size 3
    $18.99 $15.19 20% off with code HOTDEAL
    55% off estimated retail
    Gymboree Long Sleeve T-Shirt (view 2)Gymboree Long Sleeve T-Shirt (view 1)
    View Product: Gymboree Long Sleeve T-Shirt

    Gymboree

    Long Sleeve T-Shirt
    Size 6
    $7.99 $6.39 20% off with code HOTDEAL
    65% 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 3T
    $17.99 $14.39 20% off with code HOTDEAL
    44% off estimated retail
    Spyder Long Sleeve T-Shirt (view 2)Spyder Long Sleeve T-Shirt (view 1)
    View Product: Spyder Long Sleeve T-Shirt

    Spyder

    Long Sleeve T-Shirt
    Size 2T
    $10.99 $8.79 20% off with code HOTDEAL
    75% off estimated retail
    Unbranded Long Sleeve Button-Down Shirt (view 2)Unbranded Long Sleeve Button-Down Shirt (view 1)
    View Product: Unbranded Long Sleeve Button-Down Shirt

    Unbranded

    Long Sleeve Button-Down Shirt
    Size 10
    $15.99 $12.79 20% off with code HOTDEAL
    63% off estimated retail
    Ragazzo Uomo Long Sleeve Button-Down Shirt (view 2)Ragazzo Uomo Long Sleeve Button-Down Shirt (view 1)
    View Product: Ragazzo Uomo Long Sleeve Button-Down Shirt

    Ragazzo Uomo

    Long Sleeve Button-Down Shirt
    Size 8
    $16.99 $13.59 20% off with code HOTDEAL
    76% 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 5
    $21.99 $15.39 30% off with code HOTDEAL
    60% off estimated retail
    OshKosh B'gosh Pullover Sweater (view 2)OshKosh B'gosh Pullover Sweater (view 1)
    View Product: OshKosh B'gosh Pullover Sweater

    OshKosh B'gosh

    Pullover Sweater
    Size 7
    $9.99 $7.99 20% off with code HOTDEAL
    75% off estimated retail
    Crewcuts Sweatshirt (view 2)Crewcuts Sweatshirt (view 1)
    View Product: Crewcuts Sweatshirt

    Crewcuts

    Sweatshirt
    Size 6
    $25.99 $18.19 30% off with code HOTDEAL
    67% 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 16
    $20.99 $13.64 35% off with code HOTDEAL
    40% off estimated retail
    Lito Long Sleeve Button-Down Shirt (view 2)Lito Long Sleeve Button-Down Shirt (view 1)
    View Product: Lito Long Sleeve Button-Down Shirt

    Lito

    Long Sleeve Button-Down Shirt
    Size 4T
    $11.99 $9.59 20% off with code HOTDEAL
    38% 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 12
    $17.99 $12.59 30% off with code HOTDEAL
    67% off estimated retail
    Catimini Long Sleeve Button-Down Shirt (view 2)Catimini Long Sleeve Button-Down Shirt (view 1)
    View Product: Catimini Long Sleeve Button-Down Shirt

    Catimini

    Long Sleeve Button-Down Shirt
    Size 18 mo
    $20.99 $15.74 25% off with code HOTDEAL
    76% off estimated retail
    Nike Pullover Hoodie (view 2)Nike Pullover Hoodie (view 1)Flawed Gem
    View Product: Nike Pullover Hoodie

    Nike

    Pullover Hoodie
    Size Small youth
    $27.99 $18.19 35% off with code HOTDEAL
    66% off estimated retail
    Lida California Long Sleeve Button-Down Shirt (view 2)Lida California Long Sleeve Button-Down Shirt (view 1)
    View Product: Lida California Long Sleeve Button-Down Shirt

    Lida California

    Long Sleeve Button-Down Shirt
    Size 5
    $11.99 $8.99 25% off with code HOTDEAL
    75% off estimated retail
    Bella Bliss Long Sleeve Turtleneck (view 2)Bella Bliss Long Sleeve Turtleneck (view 1)
    View Product: Bella Bliss Long Sleeve Turtleneck

    Bella Bliss

    Long Sleeve Turtleneck
    Size 2
    $12.99 $9.74 25% off with code HOTDEAL
    66% 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 6
    $20.99 $11.54 45% off with code HOTDEAL
    40% off estimated retail
    The Honest Co. Thermal Top (view 2)The Honest Co. Thermal Top (view 1)
    View Product: The Honest Co. Thermal Top

    The Honest Co.

    Thermal Top
    Size 0-3 mo
    $8.99 $7.19 20% off with code HOTDEAL
    46% off estimated retail
    191 Unlimited Long Sleeve Button-Down Shirt (view 2)191 Unlimited Long Sleeve Button-Down Shirt (view 1)
    View Product: 191 Unlimited Long Sleeve Button-Down Shirt

    191 Unlimited

    Long Sleeve Button-Down Shirt
    Size Small youth
    $21.99 $15.39 30% off with code HOTDEAL
    70% off estimated retail
    Cole By Sweet Kids Long Sleeve Button-Down Shirt (view 2)Cole By Sweet Kids Long Sleeve Button-Down Shirt (view 1)
    View Product: Cole By Sweet Kids Long Sleeve Button-Down Shirt

    Cole By Sweet Kids

    Long Sleeve Button-Down Shirt
    Size 6
    $11.99 $8.99 25% off with code HOTDEAL
    50% off estimated retail
    Vineyard Vines Long Sleeve Polo (view 2)Vineyard Vines Long Sleeve Polo (view 1)
    View Product: Vineyard Vines Long Sleeve Polo

    Vineyard Vines

    Long Sleeve Polo
    Size 16
    $24.99 $19.99 20% off with code HOTDEAL
    53% off estimated retail
    Marvel Pullover Hoodie (view 2)Marvel Pullover Hoodie (view 1)
    View Product: Marvel Pullover Hoodie

    Marvel

    Pullover Hoodie
    Size Small youth
    $25.99 $18.19 30% off with code HOTDEAL
    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 4
    $17.99 $14.39 20% off with code HOTDEAL
    76% off estimated retail
    Tommy Hilfiger Long Sleeve Button-Down Shirt (view 2)Tommy Hilfiger Long Sleeve Button-Down Shirt (view 1)
    View Product: Tommy Hilfiger Long Sleeve Button-Down Shirt

    Tommy Hilfiger

    Long Sleeve Button-Down Shirt
    Size 24 mo
    $13.99 $11.19 20% off with code HOTDEAL
    66% off estimated retail
    Zara Pullover Hoodie (view 2)Zara Pullover Hoodie (view 1)
    View Product: Zara Pullover Hoodie

    Zara

    Pullover Hoodie
    Size 11
    $24.99 $18.74 25% off with code HOTDEAL
    50% off estimated retail
    Tommy Jeans Pullover Hoodie (view 2)Tommy Jeans Pullover Hoodie (view 1)
    View Product: Tommy Jeans Pullover Hoodie

    Tommy Jeans

    Pullover Hoodie
    Size Large youth
    $11.99 $9.59 20% off with code HOTDEAL
    54% off estimated retail
    Hanna Andersson Long Sleeve Button-Down Shirt (view 2)Hanna Andersson Long Sleeve Button-Down Shirt (view 1)
    View Product: Hanna Andersson Long Sleeve Button-Down Shirt

    Hanna Andersson

    Long Sleeve Button-Down Shirt
    Size 6-12 mo
    $13.99 $11.19 20% off with code HOTDEAL
    64% off estimated retail
    The Little White Company Pullover Sweater (view 2)The Little White Company Pullover Sweater (view 1)
    View Product: The Little White Company Pullover Sweater

    The Little White Company

    Pullover Sweater
    Size 12-18 mo
    $11.99 $9.59 20% off with code HOTDEAL
    69% off estimated retail
    Sol Angeles Sweatshirt (view 2)Sol Angeles Sweatshirt (view 1)Flawed Gem
    View Product: Sol Angeles Sweatshirt

    Sol Angeles

    Sweatshirt
    Size 6
    $28.99 $21.74 25% off with code HOTDEAL
    82% off estimated retail
    Spyder Pullover Hoodie (view 2)Spyder Pullover Hoodie (view 1)
    View Product: Spyder Pullover Hoodie

    Spyder

    Pullover Hoodie
    Size 12 mo
    $20.99 $11.54 45% off with code HOTDEAL
    76% off estimated retail
    Carter's Zip Up Hoodie (view 2)Carter's Zip Up Hoodie (view 1)Price Drop
    View Product: Carter's Zip Up Hoodie

    Carter's

    Zip Up Hoodie
    Size 9 mo
    $10.99 $6.59 40% off with code HOTDEAL
    69% off estimated retail
    OshKosh B'gosh Pullover Hoodie (view 2)OshKosh B'gosh Pullover Hoodie (view 1)Price Drop
    View Product: OshKosh B'gosh Pullover Hoodie

    OshKosh B'gosh

    Pullover Hoodie
    Size 6-9 mo
    $11.99 $7.19 40% off with code HOTDEAL
    65% off estimated retail
    Nautica Pullover Sweater (view 2)Nautica Pullover Sweater (view 1)Price Drop
    View Product: Nautica Pullover Sweater

    Nautica

    Pullover Sweater
    Size 4T
    $15.99 $7.20 55% off with code HOTDEAL
    62% off estimated retail
    Panache Kids Sweatshirt (view 2)Panache Kids Sweatshirt (view 1)Price Drop
    View Product: Panache Kids Sweatshirt

    Panache Kids

    Sweatshirt
    Size 6
    $29.99 $9.00 70% off with code HOTDEAL
    83% off estimated retail
    H&M Zip Up Hoodie (view 2)H&M Zip Up Hoodie (view 1)Price Drop
    View Product: H&M Zip Up Hoodie

    H&M

    Zip Up Hoodie
    Size Medium tots
    $12.99 $7.14 45% off with code HOTDEAL
    59% 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 12-18 mo
    $10.99 $6.59 40% off with code HOTDEAL
    50% off estimated retail
    Jean Bourget Zip Up Hoodie (view 2)Jean Bourget Zip Up Hoodie (view 1)Price Drop
    View Product: Jean Bourget Zip Up Hoodie

    Jean Bourget

    Zip Up Hoodie
    Size 12 mo
    $10.99 $6.59 40% off with code HOTDEAL
    77% off estimated retail
    Unbranded Sweatshirt (view 2)Unbranded Sweatshirt (view 1)Price Drop
    View Product: Unbranded Sweatshirt

    Unbranded

    Sweatshirt
    Size 8
    $14.99 $7.50 50% off with code HOTDEAL
    72% off estimated retail
    Mud Kingdom Pullover Sweater (view 2)Mud Kingdom Pullover Sweater (view 1)Price Drop
    View Product: Mud Kingdom Pullover Sweater

    Mud Kingdom

    Pullover Sweater
    Size 130 cm
    $13.99 $8.39 40% off with code HOTDEAL
    73% off estimated retail
    Carter's Zip Up Hoodie (view 2)Carter's Zip Up Hoodie (view 1)Price Drop
    View Product: Carter's Zip Up Hoodie

    Carter's

    Zip Up Hoodie
    Size 6 mo
    $11.99 $7.19 40% off with code HOTDEAL
    65% off estimated retail
    Carter's Zip Up Hoodie (view 2)Carter's Zip Up Hoodie (view 1)Price Drop
    View Product: Carter's Zip Up Hoodie

    Carter's

    Zip Up Hoodie
    Size 6 mo
    $11.24 $6.74 40% off with code HOTDEAL
    69% off estimated retail
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