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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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![Hanna Andersson Long Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/611941133/complimentary.jpg)
![Hanna Andersson Long Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/611941078/complimentary.jpg)
Hanna Andersson
Long Sleeve T-Shirt
Size 8
$10.99 $6.04 45% off with code GOBIG
47% off estimated retail![Nike Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/611567644/complimentary.jpg)
![Nike Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/611567588/complimentary.jpg)
Nike
Short Sleeve T-Shirt
Size Large youth
$12.99 $7.14 45% off with code GOBIG
50% off estimated retail![PELAGIC Long Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612484500/complimentary.jpg)
![PELAGIC Long Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612484402/complimentary.jpg)
PELAGIC
Long Sleeve T-Shirt
Size Large youth
$16.99 $9.34 45% off with code GOBIG
61% off estimated retail![Active by Old Navy Sleeveless T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/611874199/complimentary.jpg)
![Active by Old Navy Sleeveless T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/611874173/complimentary.jpg)
Active by Old Navy
Sleeveless T-Shirt
Size 10
$9.99 $5.49 45% off with code GOBIG
37% off estimated retail![Gap Kids Pullover Sweater (view 2)](https://cf-assets-thredup.thredup.com/assets/610307511/complimentary.jpg)
![Gap Kids Pullover Sweater (view 1)](https://cf-assets-thredup.thredup.com/assets/610307346/complimentary.jpg)
Gap Kids
Pullover Sweater
Size Large youth
$14.99 $8.24 45% off with code GOBIG
59% off estimated retail![Vineyard Vines Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/611868195/complimentary.jpg)
![Vineyard Vines Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/611868154/complimentary.jpg)
Vineyard Vines
Long Sleeve Button-Down Shirt
Size 7
$19.99 $10.99 45% off with code GOBIG
63% off estimated retail![Real Essentials Active T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612234366/complimentary.jpg)
![Real Essentials Active T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612234346/complimentary.jpg)
Real Essentials
Active T-Shirt
Size X-Large kids
$7.99 $4.39 45% off with code GOBIG
50% off estimated retail![Paper Denim & Cloth Short Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612257371/complimentary.jpg)
![Paper Denim & Cloth Short Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612257353/complimentary.jpg)
Paper Denim & Cloth
Short Sleeve Button-Down Shirt
Size Medium kids
$13.99 $7.69 45% off with code GOBIG
57% off estimated retail![Vineyard Vines Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612559583/complimentary.jpg)
![Vineyard Vines Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612559550/complimentary.jpg)
Vineyard Vines
Long Sleeve Button-Down Shirt
Size 3T
$17.99 $9.89 45% off with code GOBIG
60% off estimated retail![Perlis Short Sleeve Polo (view 2)](https://cf-assets-thredup.thredup.com/assets/611444368/complimentary.jpg)
![Perlis Short Sleeve Polo (view 1)](https://cf-assets-thredup.thredup.com/assets/611444349/complimentary.jpg)
Perlis
Short Sleeve Polo
Size X-Small kids
$17.99 $9.89 45% off with code GOBIG
67% off estimated retail![Lulu Roo Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/610913128/complimentary.jpg)
![Lulu Roo Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/610913109/complimentary.jpg)
Lulu Roo
Short Sleeve T-Shirt
Size 6-12 mo
$11.99 $6.59 45% off with code GOBIG
45% off estimated retail![Tommy Bahama Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/611245258/complimentary.jpg)
![Tommy Bahama Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/611245222/complimentary.jpg)
Tommy Bahama
Short Sleeve T-Shirt
Size 12 mo
$8.99 $4.94 45% off with code GOBIG
50% off estimated retail![Tommy Bahama Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/610919192/complimentary.jpg)
![Tommy Bahama Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/610919154/complimentary.jpg)
Tommy Bahama
Short Sleeve T-Shirt
Size 18 mo
$8.99 $4.94 45% off with code GOBIG
50% off estimated retail![Janie and Jack Long Sleeve Turtleneck (view 2)](https://cf-assets-thredup.thredup.com/assets/610788135/complimentary.jpg)
![Janie and Jack Long Sleeve Turtleneck (view 1)](https://cf-assets-thredup.thredup.com/assets/610788114/complimentary.jpg)
Janie and Jack
Long Sleeve Turtleneck
Size 3
$14.99 $8.24 45% off with code GOBIG
55% off estimated retail![Little Bipsy Collection Sweatshirt (view 2)](https://cf-assets-thredup.thredup.com/assets/610710605/complimentary.jpg)
![Little Bipsy Collection Sweatshirt (view 1)](https://cf-assets-thredup.thredup.com/assets/610710463/complimentary.jpg)
Little Bipsy Collection
Sweatshirt
Size 3-6 mo
$16.99 $9.34 45% off with code GOBIG
41% off estimated retail![Adidas Short Sleeve Jersey (view 2)](https://cf-assets-thredup.thredup.com/assets/611709057/complimentary.jpg)
![Adidas Short Sleeve Jersey (view 1)](https://cf-assets-thredup.thredup.com/assets/611708993/complimentary.jpg)
Adidas
Short Sleeve Jersey
Size X-Large youth
$23.99 $13.19 45% off with code GOBIG
68% off estimated retail![Primary Clothing Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/610858030/complimentary.jpg)
![Primary Clothing Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/610858001/complimentary.jpg)
Primary Clothing
Short Sleeve T-Shirt
Size 4
$12.99 $7.14 45% off with code GOBIG
61% off estimated retail![Unbranded Pullover Hoodie (view 2)](https://cf-assets-thredup.thredup.com/assets/611003107/complimentary.jpg)
![Unbranded Pullover Hoodie (view 1)](https://cf-assets-thredup.thredup.com/assets/611003021/complimentary.jpg)
Unbranded
Pullover Hoodie
Size Large youth
$17.99 $9.89 45% off with code GOBIG
59% off estimated retail![Primary Clothing Long Sleeve Top (view 2)](https://cf-assets-thredup.thredup.com/assets/610367777/complimentary.jpg)
![Primary Clothing Long Sleeve Top (view 1)](https://cf-assets-thredup.thredup.com/assets/610367726/complimentary.jpg)
Primary Clothing
Long Sleeve Top
Size 12-18 mo
$9.99 $5.49 45% off with code GOBIG
63% off estimated retail![Gap Kids Pullover Sweater (view 2)](https://cf-assets-thredup.thredup.com/assets/611002372/complimentary.jpg)
![Gap Kids Pullover Sweater (view 1)](https://cf-assets-thredup.thredup.com/assets/611002306/complimentary.jpg)
Gap Kids
Pullover Sweater
Size Medium kids
$16.99 $9.34 45% off with code GOBIG
60% off estimated retail![Under Armour Long Sleeve Turtleneck (view 2)](https://cf-assets-thredup.thredup.com/assets/610568034/complimentary.jpg)
![Under Armour Long Sleeve Turtleneck (view 1)](https://cf-assets-thredup.thredup.com/assets/610567931/complimentary.jpg)
Under Armour
Long Sleeve Turtleneck
Size X-Large youth
$21.99 $12.09 45% off with code GOBIG
46% off estimated retail![Vineyard Vines Performance Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/609917714/complimentary.jpg)
![Vineyard Vines Performance Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/609917643/complimentary.jpg)
Vineyard Vines Performance
Long Sleeve Button-Down Shirt
Size 7
$18.99 $10.44 45% off with code GOBIG
65% off estimated retail![Janie and Jack Pullover Sweater (view 2)](https://cf-assets-thredup.thredup.com/assets/609504145/complimentary.jpg)
![Janie and Jack Pullover Sweater (view 1)](https://cf-assets-thredup.thredup.com/assets/609504068/complimentary.jpg)
Janie and Jack
Pullover Sweater
Size 12-18 mo
$15.99 $8.79 45% off with code GOBIG
69% off estimated retail![The Beaufort Bonnet Company Pullover Sweater (view 2)](https://cf-assets-thredup.thredup.com/assets/609542302/complimentary.jpg)
![The Beaufort Bonnet Company Pullover Sweater (view 1)](https://cf-assets-thredup.thredup.com/assets/609542276/complimentary.jpg)
The Beaufort Bonnet Company
Pullover Sweater
Size 4T
$29.99 $16.49 45% off with code GOBIG
73% off estimated retail![Janie and Jack Zip Up Hoodie (view 2)](https://cf-assets-thredup.thredup.com/assets/610216819/complimentary.jpg)
![Janie and Jack Zip Up Hoodie (view 1)](https://cf-assets-thredup.thredup.com/assets/610216485/complimentary.jpg)
Janie and Jack
Zip Up Hoodie
Size 18-24 mo
$12.99 $7.14 45% off with code GOBIG
63% off estimated retail![E.L.K. American Classic Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/611246093/complimentary.jpg)
![E.L.K. American Classic Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/611246039/complimentary.jpg)
E.L.K. American Classic
Long Sleeve Button-Down Shirt
Size 6
$20.99 $11.54 45% off with code GOBIG
67% off estimated retail![Columbia Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/610494826/complimentary.jpg)
![Columbia Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/610494788/complimentary.jpg)
Columbia
Long Sleeve Button-Down Shirt
Size 10
$16.99 $9.34 45% off with code GOBIG
61% off estimated retail![Primary Clothing Zip Up Hoodie (view 2)](https://cf-assets-thredup.thredup.com/assets/609958049/complimentary.jpg)
![Primary Clothing Zip Up Hoodie (view 1)](https://cf-assets-thredup.thredup.com/assets/609957983/complimentary.jpg)
Primary Clothing
Zip Up Hoodie
Size 3-6 mo
$12.99 $7.14 45% off with code GOBIG
63% off estimated retail![Calvin Klein Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/609901583/complimentary.jpg)
![Calvin Klein Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/609901432/complimentary.jpg)
Calvin Klein
Long Sleeve Button-Down Shirt
Size 12
$15.99 $8.79 45% off with code GOBIG
61% off estimated retail![Andy & Evan Short Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/610558067/complimentary.jpg)
![Andy & Evan Short Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/610557980/complimentary.jpg)
Andy & Evan
Short Sleeve Button-Down Shirt
Size 8
$12.99 $7.14 45% off with code GOBIG
84% off estimated retail![Vineyard Vines Long Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/610479488/complimentary.jpg)
![Vineyard Vines Long Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/610479447/complimentary.jpg)
Vineyard Vines
Long Sleeve T-Shirt
Size 12
$10.99 $6.04 45% off with code GOBIG
59% off estimated retail![Vineyard Vines Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/609902777/complimentary.jpg)
![Vineyard Vines Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/609902617/complimentary.jpg)
Vineyard Vines
Long Sleeve Button-Down Shirt
Size 8
$17.99 $9.89 45% off with code GOBIG
67% off estimated retail![Vineyard Vines Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/609871611/complimentary.jpg)
![Vineyard Vines Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/609871545/complimentary.jpg)
Vineyard Vines
Long Sleeve Button-Down Shirt
Size 16
$20.99 $11.54 45% off with code GOBIG
61% off estimated retail![Gap Kids Pullover Sweater (view 2)](https://cf-assets-thredup.thredup.com/assets/609568224/complimentary.jpg)
![Gap Kids Pullover Sweater (view 1)](https://cf-assets-thredup.thredup.com/assets/609568186/complimentary.jpg)
Gap Kids
Pullover Sweater
Size Medium kids
$15.99 $8.79 45% off with code GOBIG
62% off estimated retail![Andy & Evan Short Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/609498740/complimentary.jpg)
![Andy & Evan Short Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/609498691/complimentary.jpg)
Andy & Evan
Short Sleeve Button-Down Shirt
Size Small tots
$11.99 $6.59 45% off with code GOBIG
78% off estimated retail![Old Navy Short Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/610300095/complimentary.jpg)
![Old Navy Short Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/610299988/complimentary.jpg)
Old Navy
Short Sleeve Button-Down Shirt
Size 5
$7.99 $4.39 45% off with code GOBIG
55% off estimated retail![Vineyard Vines Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/609636777/complimentary.jpg)
![Vineyard Vines Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/609636689/complimentary.jpg)
Vineyard Vines
Long Sleeve Button-Down Shirt
Size 8
$21.99 $12.09 45% off with code GOBIG
60% off estimated retail![Gap Kids Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/603824911/complimentary.jpg)
![Gap Kids Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/603824842/complimentary.jpg)
Gap Kids
Short Sleeve T-Shirt
Size X-Large kids
$9.99 $5.49 45% off with code GOBIG
52% off estimated retail![Mad Engine Active T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/609733843/complimentary.jpg)
![Mad Engine Active T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/609733724/complimentary.jpg)
Mad Engine
Active T-Shirt
Size Medium kids
$11.99 $6.59 45% off with code GOBIG
52% off estimated retail![all in motion Short Sleeve Polo (view 2)](https://cf-assets-thredup.thredup.com/assets/609740270/complimentary.jpg)
![all in motion Short Sleeve Polo (view 1)](https://cf-assets-thredup.thredup.com/assets/609740185/complimentary.jpg)
all in motion
Short Sleeve Polo
Size Medium kids
$10.99 $6.04 45% off with code GOBIG
31% off estimated retail![Vineyard Vines Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/608670531/complimentary.jpg)
![Vineyard Vines Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/608670350/complimentary.jpg)
Vineyard Vines
Long Sleeve Button-Down Shirt
Size 8
$21.99 $12.09 45% off with code GOBIG
60% off estimated retail![Tommy Bahama Short Sleeve Henley (view 2)](https://cf-assets-thredup.thredup.com/assets/604987286/complimentary.jpg)
![Tommy Bahama Short Sleeve Henley (view 1)](https://cf-assets-thredup.thredup.com/assets/604987252/complimentary.jpg)
Tommy Bahama
Short Sleeve Henley
Size 12 mo
$9.99 $5.49 45% off with code GOBIG
63% off estimated retail