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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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    Puma Short Sleeve T-Shirt (view 2)Puma Short Sleeve T-Shirt (view 1)
    View Product: Puma Short Sleeve T-Shirt

    Puma

    Short Sleeve T-Shirt
    Size 5
    $7.99
    55% off estimated retail
    Hanna Andersson Short Sleeve T-Shirt (view 2)Hanna Andersson Short Sleeve T-Shirt (view 1)
    View Product: Hanna Andersson Short Sleeve T-Shirt

    Hanna Andersson

    Short Sleeve T-Shirt
    Size 5
    $11.99
    36% off estimated retail
    Hanna Andersson Short Sleeve T-Shirt (view 2)Hanna Andersson Short Sleeve T-Shirt (view 1)
    View Product: Hanna Andersson Short Sleeve T-Shirt

    Hanna Andersson

    Short Sleeve T-Shirt
    Size 5
    $11.99
    36% off estimated retail
    Mini Shatsu Short Sleeve Jersey (view 2)Mini Shatsu Short Sleeve Jersey (view 1)
    View Product: Mini Shatsu Short Sleeve Jersey

    Mini Shatsu

    Short Sleeve Jersey
    Size 5
    $8.99
    35% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    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
    $10.99
    52% off estimated retail
    Janie and Jack Short Sleeve T-Shirt (view 2)Janie and Jack Short Sleeve T-Shirt (view 1)
    View Product: Janie and Jack Short Sleeve T-Shirt

    Janie and Jack

    Short Sleeve T-Shirt
    Size 5
    $12.99
    45% off estimated retail
    Polo by Ralph Lauren Short Sleeve T-Shirt (view 2)Polo by Ralph Lauren Short Sleeve T-Shirt (view 1)
    View Product: Polo by Ralph Lauren Short Sleeve T-Shirt

    Polo by Ralph Lauren

    Short Sleeve T-Shirt
    Size 5
    $11.99
    58% 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 5
    $13.99
    50% off estimated retail
    Zara Baby Short Sleeve T-Shirt (view 2)Zara Baby Short Sleeve T-Shirt (view 1)New With Tags
    View Product: Zara Baby Short Sleeve T-Shirt

    Zara Baby

    Short Sleeve T-Shirt
    Size 5
    $7.99
    55% off estimated retail
    True Religion Short Sleeve T-Shirt (view 2)True Religion Short Sleeve T-Shirt (view 1)
    View Product: True Religion Short Sleeve T-Shirt

    True Religion

    Short Sleeve T-Shirt
    Size 5
    $10.99
    80% 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 5
    $11.99
    42% off estimated retail
    Tea Long Sleeve T-Shirt (view 2)Tea Long Sleeve T-Shirt (view 1)
    View Product: Tea Long Sleeve T-Shirt

    Tea

    Long Sleeve T-Shirt
    Size 5
    $15.99
    48% off estimated retail
    Gap Short Sleeve T-Shirt (view 2)Gap Short Sleeve T-Shirt (view 1)
    View Product: Gap Short Sleeve T-Shirt

    Gap

    Short Sleeve T-Shirt
    Size 5
    $9.99
    54% 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 5
    $13.99
    50% off estimated retail
    Joules Long Sleeve T-Shirt (view 2)Joules Long Sleeve T-Shirt (view 1)
    View Product: Joules Long Sleeve T-Shirt

    Joules

    Long Sleeve T-Shirt
    Size 5
    $17.99
    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
    $16.99
    52% 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 5
    $11.99
    64% off estimated retail
    Marvel Short Sleeve T-Shirt (view 2)Marvel Short Sleeve T-Shirt (view 1)
    View Product: Marvel Short Sleeve T-Shirt

    Marvel

    Short Sleeve T-Shirt
    Size 5
    $11.99
    33% off estimated retail
    Minecraft Short Sleeve T-Shirt (view 2)Minecraft Short Sleeve T-Shirt (view 1)
    View Product: Minecraft Short Sleeve T-Shirt

    Minecraft

    Short Sleeve T-Shirt
    Size 5
    $10.99 $11
    Burton Long Sleeve T-Shirt (view 2)Burton Long Sleeve T-Shirt (view 1)
    View Product: Burton Long Sleeve T-Shirt

    Burton

    Long Sleeve T-Shirt
    Size 5
    $10.99
    59% 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
    $20.99
    44% 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 5
    $15.99
    52% off estimated retail
    Minecraft Long Sleeve T-Shirt (view 2)Minecraft Long Sleeve T-Shirt (view 1)New With Tags
    View Product: Minecraft Long Sleeve T-Shirt

    Minecraft

    Long Sleeve T-Shirt
    Size 5
    $10.99 $11
    Broken Threads Long Sleeve Henley (view 2)Broken Threads Long Sleeve Henley (view 1)
    View Product: Broken Threads Long Sleeve Henley

    Broken Threads

    Long Sleeve Henley
    Size 5
    $20.99
    53% off estimated retail
    BOSS by HUGO BOSS Short Sleeve T-Shirt (view 2)BOSS by HUGO BOSS Short Sleeve T-Shirt (view 1)
    View Product: BOSS by HUGO BOSS Short Sleeve T-Shirt

    BOSS by HUGO BOSS

    Short Sleeve T-Shirt
    Size 5
    $18.99
    65% off estimated retail
    Boden Long Sleeve Turtleneck (view 2)Boden Long Sleeve Turtleneck (view 1)
    View Product: Boden Long Sleeve Turtleneck

    Boden

    Long Sleeve Turtleneck
    Size 5
    $12.99
    68% 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 5
    $12.99
    54% off estimated retail
    Janie and Jack Long Sleeve T-Shirt (view 2)Janie and Jack Long Sleeve T-Shirt (view 1)
    View Product: Janie and Jack Long Sleeve T-Shirt

    Janie and Jack

    Long Sleeve T-Shirt
    Size 5
    $11.99
    64% off estimated retail
    Abercrombie & Fitch Short Sleeve T-Shirt (view 2)Abercrombie & Fitch Short Sleeve T-Shirt (view 1)
    View Product: Abercrombie & Fitch Short Sleeve T-Shirt

    Abercrombie & Fitch

    Short Sleeve T-Shirt
    Size 5
    $10.99
    63% off estimated retail
    Crown & Ivy Short Sleeve T-Shirt (view 2)Crown & Ivy Short Sleeve T-Shirt (view 1)
    View Product: Crown & Ivy Short Sleeve T-Shirt

    Crown & Ivy

    Short Sleeve T-Shirt
    Size 5
    $16.99
    61% 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 5
    $14.99
    58% 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 5
    $13.99
    61% 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 5
    $14.99
    58% 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 5
    $15.99
    55% 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 5
    $9.99
    65% off estimated retail
    Tommy Bahama Short Sleeve T-Shirt (view 2)Tommy Bahama Short Sleeve T-Shirt (view 1)
    View Product: Tommy Bahama Short Sleeve T-Shirt

    Tommy Bahama

    Short Sleeve T-Shirt
    Size 5
    $13.99 $11.19 20% off with code HOTDEAL
    43% off estimated retail
    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 5
    $13.99 $11.19 20% off with code HOTDEAL
    43% off estimated retail
    Under Armour Thermal Top (view 2)Under Armour Thermal Top (view 1)
    View Product: Under Armour Thermal Top

    Under Armour

    Thermal Top
    Size 5
    $10.99 $8.79 20% off with code HOTDEAL
    56% 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 $10.39 20% off with code HOTDEAL
    38% 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
    $19.99 $14.99 25% off with code HOTDEAL
    47% off estimated retail
    Baby Gap Long Sleeve T-Shirt (view 2)Baby Gap Long Sleeve T-Shirt (view 1)
    View Product: Baby Gap Long Sleeve T-Shirt

    Baby Gap

    Long Sleeve T-Shirt
    Size 5
    $13.99 $11.19 20% off with code HOTDEAL
    25% off estimated retail
    Puma Active T-Shirt (view 2)Puma Active T-Shirt (view 1)
    View Product: Puma Active T-Shirt

    Puma

    Active T-Shirt
    Size 5
    $11.99 $9.59 20% off with code HOTDEAL
    63% off estimated retail
    ml mini Short Sleeve T-Shirt (view 2)ml mini Short Sleeve T-Shirt (view 1)
    View Product: ml mini Short Sleeve T-Shirt

    ml mini

    Short Sleeve T-Shirt
    Size 5
    $14.99 $11.99 20% off with code HOTDEAL
    63% off estimated retail
    Runway Active T-Shirt (view 2)Runway Active T-Shirt (view 1)
    View Product: Runway Active T-Shirt

    Runway

    Active T-Shirt
    Size 5
    $15.99 $12.79 20% off with code HOTDEAL
    61% 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
    $21.99 $16.49 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 5
    $18.99 $15.19 20% off with code HOTDEAL
    58% off estimated retail
    G.H. Bass & Co. Long Sleeve T-Shirt (view 2)G.H. Bass & Co. Long Sleeve T-Shirt (view 1)
    View Product: G.H. Bass & Co. Long Sleeve T-Shirt

    G.H. Bass & Co.

    Long Sleeve T-Shirt
    Size 5
    $12.99 $10.39 20% off with code HOTDEAL
    56% off estimated retail
    Distortion Long Sleeve Henley (view 2)Distortion Long Sleeve Henley (view 1)
    View Product: Distortion Long Sleeve Henley

    Distortion

    Long Sleeve Henley
    Size 5
    $11.99 $9.59 20% off with code HOTDEAL
    66% 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 5
    $18.99 $14.24 25% off with code HOTDEAL
    52% off estimated retail
    Tommy Bahama Short Sleeve T-Shirt (view 2)Tommy Bahama Short Sleeve T-Shirt (view 1)
    View Product: Tommy Bahama Short Sleeve T-Shirt

    Tommy Bahama

    Short Sleeve T-Shirt
    Size 5
    $14.99 $11.99 20% off with code HOTDEAL
    47% off estimated retail
    Jumping Jacks Active T-Shirt (view 2)Jumping Jacks Active T-Shirt (view 1)
    View Product: Jumping Jacks Active T-Shirt

    Jumping Jacks

    Active T-Shirt
    Size 5
    $14.99 $11.24 25% off with code HOTDEAL
    61% off estimated retail
    Nike Short Sleeve T-Shirt (view 2)Nike Short Sleeve T-Shirt (view 1)Flawed Gem
    View Product: Nike Short Sleeve T-Shirt

    Nike

    Short Sleeve T-Shirt
    Size 5
    $12.99 $10.39 20% off with code HOTDEAL
    61% 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 5
    $10.99 $8.79 20% off with code HOTDEAL
    62% off estimated retail
    Puma Active T-Shirt (view 2)Puma Active T-Shirt (view 1)
    View Product: Puma Active T-Shirt

    Puma

    Active T-Shirt
    Size 5
    $16.99 $13.59 20% off with code HOTDEAL
    48% off estimated retail
    Polo by Ralph Lauren Long Sleeve T-Shirt (view 2)Polo by Ralph Lauren Long Sleeve T-Shirt (view 1)
    View Product: Polo by Ralph Lauren Long Sleeve T-Shirt

    Polo by Ralph Lauren

    Long Sleeve T-Shirt
    Size 5
    $11.99 $9.59 20% off with code HOTDEAL
    47% off estimated retail
    American Hero Long Sleeve T-Shirt (view 2)American Hero Long Sleeve T-Shirt (view 1)
    View Product: American Hero Long Sleeve T-Shirt

    American Hero

    Long Sleeve T-Shirt
    Size 5
    $9.99 $7.99 20% off with code HOTDEAL
    35% 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 5
    $13.99 $11.19 20% off with code HOTDEAL
    64% off estimated retail
    Rags Long Sleeve Henley (view 2)Rags Long Sleeve Henley (view 1)
    View Product: Rags Long Sleeve Henley

    Rags

    Long Sleeve Henley
    Size 5
    $58.99 $38.34 35% off with code HOTDEAL
    55% off estimated retail
    Nike Long Sleeve Turtleneck (view 2)Nike Long Sleeve Turtleneck (view 1)
    View Product: Nike Long Sleeve Turtleneck

    Nike

    Long Sleeve Turtleneck
    Size 5
    $18.99 $13.29 30% off with code HOTDEAL
    52% 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 5
    $16.99 $11.89 30% off with code HOTDEAL
    75% 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 5
    $16.99 $12.74 25% off with code HOTDEAL
    71% 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 5
    $10.99 $8.79 20% off with code HOTDEAL
    65% off estimated retail
    Air Jordan Active T-Shirt (view 2)Air Jordan Active T-Shirt (view 1)
    View Product: Air Jordan Active T-Shirt

    Air Jordan

    Active T-Shirt
    Size 5
    $21.99 $15.39 30% off with code HOTDEAL
    67% off estimated retail
    Abercrombie Long Sleeve T-Shirt (view 2)Abercrombie Long Sleeve T-Shirt (view 1)Flawed Gem
    View Product: Abercrombie Long Sleeve T-Shirt

    Abercrombie

    Long Sleeve T-Shirt
    Size 5
    $16.99 $13.59 20% off with code HOTDEAL
    73% off estimated retail
    Madison Long Sleeve T-Shirt (view 2)Madison Long Sleeve T-Shirt (view 1)
    View Product: Madison Long Sleeve T-Shirt

    Madison

    Long Sleeve T-Shirt
    Size 5
    $7.99 $6.39 20% off with code HOTDEAL
    22% 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
    $21.99 $16.49 25% off with code HOTDEAL
    47% off estimated retail
    MNG Kids Long Sleeve T-Shirt (view 2)MNG Kids Long Sleeve T-Shirt (view 1)
    View Product: MNG Kids Long Sleeve T-Shirt

    MNG Kids

    Long Sleeve T-Shirt
    Size 5
    $10.99 $8.79 20% off with code HOTDEAL
    35% off estimated retail
    Rmla Short Sleeve T-Shirt (view 2)Rmla Short Sleeve T-Shirt (view 1)
    View Product: Rmla Short Sleeve T-Shirt

    Rmla

    Short Sleeve T-Shirt
    Size 5
    $9.99 $7.99 20% off with code HOTDEAL
    35% 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 5
    $13.99 $11.19 20% off with code HOTDEAL
    33% off estimated retail
    Duluth Trading Co. Long Sleeve T-Shirt (view 2)Duluth Trading Co. Long Sleeve T-Shirt (view 1)
    View Product: Duluth Trading Co. Long Sleeve T-Shirt

    Duluth Trading Co.

    Long Sleeve T-Shirt
    Size 5
    $13.99 $11.19 20% off with code HOTDEAL
    21% off estimated retail
    Rabbit Skins Short Sleeve T-Shirt (view 2)Rabbit Skins Short Sleeve T-Shirt (view 1)
    View Product: Rabbit Skins Short Sleeve T-Shirt

    Rabbit Skins

    Short Sleeve T-Shirt
    Size 5
    $7.99 $6.39 20% off with code HOTDEAL
    22% off estimated retail
    Papo d'Anjo Long Sleeve Turtleneck (view 2)Papo d'Anjo Long Sleeve Turtleneck (view 1)Price Drop
    View Product: Papo d'Anjo Long Sleeve Turtleneck

    Papo d'Anjo

    Long Sleeve Turtleneck
    Size 5
    $17.99 $10.79 40% off with code HOTDEAL
    81% off estimated retail
    Huntington Beach Club Short Sleeve T-Shirt (view 2)Huntington Beach Club Short Sleeve T-Shirt (view 1)Price Drop
    View Product: Huntington Beach Club Short Sleeve T-Shirt

    Huntington Beach Club

    Short Sleeve T-Shirt
    Size 5
    $12.99 $5.20 60% off with code HOTDEAL
    55% off estimated retail
    Absorba Short Sleeve T-Shirt (view 2)Absorba Short Sleeve T-Shirt (view 1)Price Drop
    View Product: Absorba Short Sleeve T-Shirt

    Absorba

    Short Sleeve T-Shirt
    Size 5
    $11.99 $6.00 50% off with code HOTDEAL
    28% off estimated retail
    T-Love Short Sleeve T-Shirt (view 2)T-Love Short Sleeve T-Shirt (view 1)Price Drop
    View Product: T-Love Short Sleeve T-Shirt

    T-Love

    Short Sleeve T-Shirt
    Size 5
    $16.99 $8.50 50% off with code HOTDEAL
    81% off estimated retail
    Crazy 8 Short Sleeve T-Shirt (view 2)Crazy 8 Short Sleeve T-Shirt (view 1)Price Drop
    View Product: Crazy 8 Short Sleeve T-Shirt

    Crazy 8

    Short Sleeve T-Shirt
    Size 5
    $10.99 $6.59 40% off with code HOTDEAL
    43% off estimated retail
    Asics Short Sleeve T-Shirt (view 2)Asics Short Sleeve T-Shirt (view 1)Price Drop
    View Product: Asics Short Sleeve T-Shirt

    Asics

    Short Sleeve T-Shirt
    Size 5
    $13.24 $6.62 50% off with code HOTDEAL
    66% off estimated retail
    Adidas Active T-Shirt (view 2)Adidas Active T-Shirt (view 1)Price Drop
    View Product: Adidas Active T-Shirt

    Adidas

    Active T-Shirt
    Size 5
    $11.24 $6.74 40% off with code HOTDEAL
    71% 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 5
    $11.24 $6.74 40% off with code HOTDEAL
    71% off estimated retail
    Old Navy Short Sleeve Henley (view 2)Old Navy Short Sleeve Henley (view 1)Price Drop
    View Product: Old Navy Short Sleeve Henley

    Old Navy

    Short Sleeve Henley
    Size 5
    $6.24 $4.99 20% off with code HOTDEAL
    69% off estimated retail
    French Toast Short Sleeve T-Shirt (view 2)French Toast Short Sleeve T-Shirt (view 1)Price Drop
    View Product: French Toast Short Sleeve T-Shirt

    French Toast

    Short Sleeve T-Shirt
    Size 5
    $7.24 $4.34 40% off with code HOTDEAL
    54% off estimated retail
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