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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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41 items
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    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
    $11.99
    55% off estimated retail
    Carter's Long Sleeve T-Shirt (view 2)Carter's Long Sleeve T-Shirt (view 1)
    View Product: Carter's Long Sleeve T-Shirt

    Carter's

    Long Sleeve T-Shirt
    Size 5T
    $6.99
    61% off estimated retail
    Jurassic World Short Sleeve T-Shirt (view 2)Jurassic World Short Sleeve T-Shirt (view 1)
    View Product: Jurassic World Short Sleeve T-Shirt

    Jurassic World

    Short Sleeve T-Shirt
    Size 5T
    $8.99
    50% off estimated retail
    Baby Gap Zip Up Hoodie (view 2)Baby Gap Zip Up Hoodie (view 1)
    View Product: Baby Gap Zip Up Hoodie

    Baby Gap

    Zip Up Hoodie
    Size 5T
    $12.99
    59% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Old Navy x Disney Short Sleeve T-Shirt (view 2)Old Navy x Disney Short Sleeve T-Shirt (view 1)
    View Product: Old Navy x Disney Short Sleeve T-Shirt

    Old Navy x Disney

    Short Sleeve T-Shirt
    Size 5T
    $7.99
    42% off estimated retail
    Blanks Boutique Long Sleeve T-Shirt (view 2)Blanks Boutique Long Sleeve T-Shirt (view 1)
    View Product: Blanks Boutique Long Sleeve T-Shirt

    Blanks Boutique

    Long Sleeve T-Shirt
    Size 5T
    $5.99
    33% off estimated retail
    The Rolling Stones Sweatshirt (view 2)The Rolling Stones Sweatshirt (view 1)
    View Product: The Rolling Stones Sweatshirt

    The Rolling Stones

    Sweatshirt
    Size 5T
    $12.99
    27% off estimated retail
    H&M Thermal Top (view 2)H&M Thermal Top (view 1)
    View Product: H&M Thermal Top

    H&M

    Thermal Top
    Size 5T
    $12.99 $14
    EZPZ Easy Peasy Long Sleeve Henley (view 2)EZPZ Easy Peasy Long Sleeve Henley (view 1)
    View Product: EZPZ Easy Peasy Long Sleeve Henley

    EZPZ Easy Peasy

    Long Sleeve Henley
    Size 5T
    $29.99
    67% off estimated retail
    Johnny Cash Short Sleeve T-Shirt (view 2)Johnny Cash Short Sleeve T-Shirt (view 1)
    View Product: Johnny Cash Short Sleeve T-Shirt

    Johnny Cash

    Short Sleeve T-Shirt
    Size 5T
    $9.99
    28% off estimated retail
    Marvel Pullover Sweater (view 2)Marvel Pullover Sweater (view 1)
    View Product: Marvel Pullover Sweater

    Marvel

    Pullover Sweater
    Size 5T
    $22.99
    48% off estimated retail
    Universal Studios Kids Long Sleeve T-Shirt (view 2)Universal Studios Kids Long Sleeve T-Shirt (view 1)
    View Product: Universal Studios Kids Long Sleeve T-Shirt

    Universal Studios Kids

    Long Sleeve T-Shirt
    Size 5T
    $5.99
    33% off estimated retail
    Cat & Jack Sweatshirt (view 2)Cat & Jack Sweatshirt (view 1)
    View Product: Cat & Jack Sweatshirt

    Cat & Jack

    Sweatshirt
    Size 5T
    $10.99
    15% off estimated retail
    Cat & Jack Sweatshirt (view 2)Cat & Jack Sweatshirt (view 1)
    View Product: Cat & Jack Sweatshirt

    Cat & Jack

    Sweatshirt
    Size 5T
    $10.99
    15% off estimated retail
    Marvel Pullover Hoodie (view 2)Marvel Pullover Hoodie (view 1)
    View Product: Marvel Pullover Hoodie

    Marvel

    Pullover Hoodie
    Size 5T
    $14.99 $11.99 20% off with code THANKU
    58% off estimated retail
    Marvel Sweatshirt (view 2)Marvel Sweatshirt (view 1)
    View Product: Marvel Sweatshirt

    Marvel

    Sweatshirt
    Size 5T
    $14.99 $11.99 20% off with code THANKU
    58% 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 5T
    $8.99 $7.19 20% off with code THANKU
    62% off estimated retail
    Marvel Pullover Sweater (view 2)Marvel Pullover Sweater (view 1)
    View Product: Marvel Pullover Sweater

    Marvel

    Pullover Sweater
    Size 5T
    $17.99 $13.49 25% off with code THANKU
    60% off estimated retail
    H&M Pullover Hoodie (view 2)H&M Pullover Hoodie (view 1)
    View Product: H&M Pullover Hoodie

    H&M

    Pullover Hoodie
    Size 5T
    $14.99 $11.99 20% off with code THANKU
    44% off estimated retail
    Autumn Cashmere Short Sleeve T-Shirt (view 2)Autumn Cashmere Short Sleeve T-Shirt (view 1)
    View Product: Autumn Cashmere Short Sleeve T-Shirt

    Autumn Cashmere

    Short Sleeve T-Shirt
    Size 5T
    $12.99 $9.74 25% off with code THANKU
    51% off estimated retail
    Marvel Sweatshirt (view 2)Marvel Sweatshirt (view 1)
    View Product: Marvel Sweatshirt

    Marvel

    Sweatshirt
    Size 5T
    $16.99 $12.74 25% off with code THANKU
    52% off estimated retail
    Puma Pullover Hoodie (view 2)Puma Pullover Hoodie (view 1)
    View Product: Puma Pullover Hoodie

    Puma

    Pullover Hoodie
    Size 5T
    $17.99 $13.49 25% off with code THANKU
    50% off estimated retail
    Genuine Kids from Oshkosh Short Sleeve Polo (view 2)Genuine Kids from Oshkosh Short Sleeve Polo (view 1)
    View Product: Genuine Kids from Oshkosh Short Sleeve Polo

    Genuine Kids from Oshkosh

    Short Sleeve Polo
    Size 5T
    $12.99 $10.39 20% off with code THANKU
    $14
    Perfectly Dressed Long Sleeve Button-Down Shirt (view 2)Perfectly Dressed Long Sleeve Button-Down Shirt (view 1)
    View Product: Perfectly Dressed Long Sleeve Button-Down Shirt

    Perfectly Dressed

    Long Sleeve Button-Down Shirt
    Size 5T
    $9.99 $7.99 20% off with code THANKU
    44% off estimated retail
    Perfectly Dressed Long Sleeve Button-Down Shirt (view 2)Perfectly Dressed Long Sleeve Button-Down Shirt (view 1)
    View Product: Perfectly Dressed Long Sleeve Button-Down Shirt

    Perfectly Dressed

    Long Sleeve Button-Down Shirt
    Size 5T
    $6.99 $5.59 20% off with code THANKU
    61% off estimated retail
    H&M Pullover Hoodie (view 2)H&M Pullover Hoodie (view 1)
    View Product: H&M Pullover Hoodie

    H&M

    Pullover Hoodie
    Size 5T
    $18.99 $15.19 20% off with code THANKU
    29% off estimated retail
    Marvel Long Sleeve T-Shirt (view 2)Marvel Long Sleeve T-Shirt (view 1)
    View Product: Marvel Long Sleeve T-Shirt

    Marvel

    Long Sleeve T-Shirt
    Size 5T
    $10.99 $8.79 20% off with code THANKU
    38% off estimated retail
    Healthtex Long Sleeve Button-Down Shirt (view 2)Healthtex Long Sleeve Button-Down Shirt (view 1)
    View Product: Healthtex Long Sleeve Button-Down Shirt

    Healthtex

    Long Sleeve Button-Down Shirt
    Size 5T
    $10.99 $8.79 20% off with code THANKU
    38% off estimated retail
    Monica + Andy Zip Up Hoodie (view 2)Monica + Andy Zip Up Hoodie (view 1)
    View Product: Monica + Andy Zip Up Hoodie

    Monica + Andy

    Zip Up Hoodie
    Size 5T
    $13.99 $9.79 30% off with code THANKU
    61% off estimated retail
    My Favorite Tee Pullover Sweater (view 2)My Favorite Tee Pullover Sweater (view 1)
    View Product: My Favorite Tee Pullover Sweater

    My Favorite Tee

    Pullover Sweater
    Size 5T
    $8.99 $7.19 20% off with code THANKU
    60% off estimated retail
    Healthtex Long Sleeve Button-Down Shirt (view 2)Healthtex Long Sleeve Button-Down Shirt (view 1)
    View Product: Healthtex Long Sleeve Button-Down Shirt

    Healthtex

    Long Sleeve Button-Down Shirt
    Size 5T
    $11.99 $9.59 20% off with code THANKU
    33% off estimated retail
    The Children's Place Long Sleeve Button-Down Shirt (view 2)The Children's Place Long Sleeve Button-Down Shirt (view 1)
    View Product: The Children's Place Long Sleeve Button-Down Shirt

    The Children's Place

    Long Sleeve Button-Down Shirt
    Size 5T
    $10.99 $8.79 20% off with code THANKU
    47% off estimated retail
    Marvel Sweatshirt (view 2)Marvel Sweatshirt (view 1)
    View Product: Marvel Sweatshirt

    Marvel

    Sweatshirt
    Size 5T
    $18.99 $13.29 30% off with code THANKU
    47% off estimated retail
    Junk Food Short Sleeve T-Shirt (view 2)Junk Food Short Sleeve T-Shirt (view 1)
    View Product: Junk Food Short Sleeve T-Shirt

    Junk Food

    Short Sleeve T-Shirt
    Size 5T
    $10.99 $8.79 20% off with code THANKU
    52% off estimated retail
    Adidas Zip Up Hoodie (view 2)Adidas Zip Up Hoodie (view 1)
    View Product: Adidas Zip Up Hoodie

    Adidas

    Zip Up Hoodie
    Size 5T
    $16.99 $12.74 25% off with code THANKU
    62% off estimated retail
    Paul Frank For Target Short Sleeve T-Shirt (view 2)Paul Frank For Target Short Sleeve T-Shirt (view 1)Price Drop
    View Product: Paul Frank For Target Short Sleeve T-Shirt

    Paul Frank For Target

    Short Sleeve T-Shirt
    Size 5T
    $8.99 $7.19 20% off with code THANKU
    35% off estimated retail
    Kushies Baby Pullover Sweater (view 2)Kushies Baby Pullover Sweater (view 1)Price Drop
    View Product: Kushies Baby Pullover Sweater

    Kushies Baby

    Pullover Sweater
    Size Preemie
    $10.99 $8.24 25% off with code THANKU
    59% off estimated retail
    Gap Kids Long Sleeve Button-Down Shirt (view 2)Gap Kids Long Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: Gap Kids Long Sleeve Button-Down Shirt

    Gap Kids

    Long Sleeve Button-Down Shirt
    Size Preemie
    $9.99 $7.49 25% off with code THANKU
    63% off estimated retail
    Carter's Short Sleeve T-Shirt (view 2)Carter's Short Sleeve T-Shirt (view 1)
    View Product: Carter's Short Sleeve T-Shirt

    Carter's

    Short Sleeve T-Shirt
    Size Preemie
    $6.99 $5.59 20% off with code THANKU
    46% 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 5T
    $9.99 $7.99 20% off with code THANKU
    64% off estimated retail
    Chaps Long Sleeve Button-Down Shirt (view 2)Chaps Long Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: Chaps Long Sleeve Button-Down Shirt

    Chaps

    Long Sleeve Button-Down Shirt
    Size Preemie
    $7.99 $6.39 20% off with code THANKU
    71% off estimated retail
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