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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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![Under Armour Pullover Hoodie (view 2)](https://cf-assets-thredup.thredup.com/assets/612773943/complimentary.jpg)
![Under Armour Pullover Hoodie (view 1)](https://cf-assets-thredup.thredup.com/assets/612773875/complimentary.jpg)
Under Armour
Pullover Hoodie
Size Small youth
$24.99 $13.74 45% off with code GOBIG
54% off estimated retail![An Original Penguin by Munsingwear Short Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612151567/complimentary.jpg)
![An Original Penguin by Munsingwear Short Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612151538/complimentary.jpg)
An Original Penguin by Munsingwear
Short Sleeve Button-Down Shirt
Size Large kids
$10.99 $6.04 45% off with code GOBIG
66% off estimated retail![Footjoy Short Sleeve Polo (view 2)](https://cf-assets-thredup.thredup.com/assets/611921424/complimentary.jpg)
![Footjoy Short Sleeve Polo (view 1)](https://cf-assets-thredup.thredup.com/assets/611921380/complimentary.jpg)
Footjoy
Short Sleeve Polo
Size Medium youth
$4.99 $2.74 45% off with code GOBIG
54% off estimated retail![Fanatics Long Sleeve Jersey (view 2)](https://cf-assets-thredup.thredup.com/assets/613062885/complimentary.jpg)
![Fanatics Long Sleeve Jersey (view 1)](https://cf-assets-thredup.thredup.com/assets/613062797/complimentary.jpg)
Fanatics
Long Sleeve Jersey
Size Large youth
$14.99 $8.24 45% off with code GOBIG
70% off estimated retail![Under Armour Pullover Hoodie (view 2)](https://cf-assets-thredup.thredup.com/assets/612773453/complimentary.jpg)
![Under Armour Pullover Hoodie (view 1)](https://cf-assets-thredup.thredup.com/assets/612773366/complimentary.jpg)
Under Armour
Pullover Hoodie
Size Large youth
$26.99 $14.84 45% off with code GOBIG
50% off estimated retail![The North Face Pullover Hoodie (view 2)](https://cf-assets-thredup.thredup.com/assets/612530604/complimentary.jpg)
![The North Face Pullover Hoodie (view 1)](https://cf-assets-thredup.thredup.com/assets/612530545/complimentary.jpg)
The North Face
Pullover Hoodie
Size One size
$37.99 $20.89 45% off with code GOBIG
56% off estimated retail![Under Armour Pullover Hoodie (view 2)](https://cf-assets-thredup.thredup.com/assets/612496384/complimentary.jpg)
![Under Armour Pullover Hoodie (view 1)](https://cf-assets-thredup.thredup.com/assets/612496197/complimentary.jpg)
Under Armour
Pullover Hoodie
Size X-Large youth
$26.99 $14.84 45% off with code GOBIG
50% off estimated retail![Under Armour Pullover Hoodie (view 2)](https://cf-assets-thredup.thredup.com/assets/612450128/complimentary.jpg)
![Under Armour Pullover Hoodie (view 1)](https://cf-assets-thredup.thredup.com/assets/612450046/complimentary.jpg)
Under Armour
Pullover Hoodie
Size Small youth
$24.99 $13.74 45% off with code GOBIG
54% off estimated retail![Air Jordan Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612343270/complimentary.jpg)
![Air Jordan Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612343201/complimentary.jpg)
Air Jordan
Short Sleeve T-Shirt
Size Large youth
$17.99 $9.89 45% off with code GOBIG
59% off estimated retail![Canterbury of New Zealand Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/611897005/complimentary.jpg)
![Canterbury of New Zealand Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/611896996/complimentary.jpg)
Canterbury of New Zealand
Short Sleeve T-Shirt
Size 6
$11.99 $6.59 45% off with code GOBIG
55% off estimated retail![Canterbury of New Zealand Long Sleeve Jersey (view 2)](https://cf-assets-thredup.thredup.com/assets/611887497/complimentary.jpg)
![Canterbury of New Zealand Long Sleeve Jersey (view 1)](https://cf-assets-thredup.thredup.com/assets/611887457/complimentary.jpg)
Canterbury of New Zealand
Long Sleeve Jersey
Size 6
$10.99 $6.04 45% off with code GOBIG
59% off estimated retail![Canterbury of New Zealand Long Sleeve Jersey (view 2)](https://cf-assets-thredup.thredup.com/assets/611886031/complimentary.jpg)
![Canterbury of New Zealand Long Sleeve Jersey (view 1)](https://cf-assets-thredup.thredup.com/assets/611886005/complimentary.jpg)
Canterbury of New Zealand
Long Sleeve Jersey
Size 6
$12.99 $7.14 45% off with code GOBIG
51% off estimated retail![Mocha Noir Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/611917258/complimentary.jpg)
![Mocha Noir Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/611917026/complimentary.jpg)
Mocha Noir
Long Sleeve Button-Down Shirt
Size 4
$11.99 $6.59 45% off with code GOBIG
66% off estimated retail![FORTNITE Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612455456/complimentary.jpg)
![FORTNITE Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612455420/complimentary.jpg)
FORTNITE
Short Sleeve T-Shirt
Size Medium kids
$13.99 $7.69 45% off with code GOBIG
36% off estimated retail![Tommy Bahama Short Sleeve Henley (view 2)](https://cf-assets-thredup.thredup.com/assets/612854123/complimentary.jpg)
![Tommy Bahama Short Sleeve Henley (view 1)](https://cf-assets-thredup.thredup.com/assets/612854118/complimentary.jpg)
Tommy Bahama
Short Sleeve Henley
Size 12 mo
$9.99 $5.49 45% off with code GOBIG
63% off estimated retail![Columbia Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612468710/complimentary.jpg)
![Columbia Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612468643/complimentary.jpg)
Columbia
Long Sleeve Button-Down Shirt
Size 10
$13.99 $7.69 45% off with code GOBIG
60% off estimated retail![Columbia Short Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612469121/complimentary.jpg)
![Columbia Short Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612469102/complimentary.jpg)
Columbia
Short Sleeve Button-Down Shirt
Size 10
$12.99 $7.14 45% off with code GOBIG
56% off estimated retail![Under Armour Active T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612388990/complimentary.jpg)
![Under Armour Active T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612388816/complimentary.jpg)
Under Armour
Active T-Shirt
Size X-Large youth
$21.99 $12.09 45% off with code GOBIG
46% off estimated retail![Nike Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612392381/complimentary.jpg)
![Nike Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612392089/complimentary.jpg)
Nike
Short Sleeve T-Shirt
Size X-Large kids
$12.99 $7.14 45% off with code GOBIG
50% off estimated retail![Under Armour Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612393963/complimentary.jpg)
![Under Armour Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612393860/complimentary.jpg)
Under Armour
Short Sleeve T-Shirt
Size Small youth
$12.99 $7.14 45% off with code GOBIG
51% off estimated retail![Under Armour Active T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612392912/complimentary.jpg)
![Under Armour Active T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612392841/complimentary.jpg)
Under Armour
Active T-Shirt
Size X-Large youth
$21.99 $12.09 45% off with code GOBIG
46% off estimated retail![Under Armour Pullover Hoodie (view 2)](https://cf-assets-thredup.thredup.com/assets/612391251/complimentary.jpg)
![Under Armour Pullover Hoodie (view 1)](https://cf-assets-thredup.thredup.com/assets/612391132/complimentary.jpg)
Under Armour
Pullover Hoodie
Size X-Large youth
$23.99 $13.19 45% off with code GOBIG
56% off estimated retail![Nike Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612380500/complimentary.jpg)
![Nike Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612380382/complimentary.jpg)
Nike
Short Sleeve T-Shirt
Size Medium youth
$9.99 $5.49 45% off with code GOBIG
61% off estimated retail![Under Armour Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612450602/complimentary.jpg)
![Under Armour Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612450493/complimentary.jpg)
Under Armour
Short Sleeve T-Shirt
Size X-Small youth
$11.99 $6.59 45% off with code GOBIG
55% off estimated retail![Under Armour Active T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612379209/complimentary.jpg)
![Under Armour Active T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612378711/complimentary.jpg)
Under Armour
Active T-Shirt
Size X-Large youth
$21.99 $12.09 45% off with code GOBIG
46% off estimated retail![Under Armour Active T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612385770/complimentary.jpg)
![Under Armour Active T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612385385/complimentary.jpg)
Under Armour
Active T-Shirt
Size X-Large youth
$22.99 $12.64 45% off with code GOBIG
43% off estimated retail![Polo by Ralph Lauren Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612534148/complimentary.jpg)
![Polo by Ralph Lauren Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612534121/complimentary.jpg)
Polo by Ralph Lauren
Short Sleeve T-Shirt
Size 7
$13.99 $7.69 45% off with code GOBIG
48% off estimated retail![SeanJean Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/611715720/complimentary.jpg)
![SeanJean Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/611715639/complimentary.jpg)
SeanJean
Long Sleeve Button-Down Shirt
Size 5
$11.99 $6.59 45% off with code GOBIG
66% off estimated retail![Sonic The Hedgehog Long Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/611683068/complimentary.jpg)
![Sonic The Hedgehog Long Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/611682954/complimentary.jpg)
Sonic The Hedgehog
Long Sleeve T-Shirt
Size Small youth
$5.99 $3.29 45% off with code GOBIG
45% off estimated retail![Perry Ellis Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/501435106/complimentary.jpg)
![Perry Ellis Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/501434894/complimentary.jpg)
Perry Ellis
Short Sleeve T-Shirt
Size Small youth
$11.99 $6.59 45% off with code GOBIG
55% off estimated retail![7 For All Mankind Short Sleeve Polo (view 2)](https://cf-assets-thredup.thredup.com/assets/612214105/complimentary.jpg)
![7 For All Mankind Short Sleeve Polo (view 1)](https://cf-assets-thredup.thredup.com/assets/612214074/complimentary.jpg)
7 For All Mankind
Short Sleeve Polo
Size Medium youth
$37.99 $20.89 45% off with code GOBIG
65% off estimated retail![all in motion Zip Up Hoodie (view 2)](https://cf-assets-thredup.thredup.com/assets/612165081/complimentary.jpg)
![all in motion Zip Up Hoodie (view 1)](https://cf-assets-thredup.thredup.com/assets/612165039/complimentary.jpg)
all in motion
Zip Up Hoodie
Size X-Small kids
$9.99 $5.49 45% off with code GOBIG
44% off estimated retail![Pokemon Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/611623744/complimentary.jpg)
![Pokemon Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/611623722/complimentary.jpg)
Pokemon
Short Sleeve T-Shirt
Size X-Small kids
$7.99 $4.39 45% off with code GOBIG
11% off estimated retail![Under Armour Active T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/611598271/complimentary.jpg)
![Under Armour Active T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/611598264/complimentary.jpg)
Under Armour
Active T-Shirt
Size Small youth
$18.99 $10.44 45% off with code GOBIG
53% off estimated retail![Under Armour Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/611598146/complimentary.jpg)
![Under Armour Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/611598129/complimentary.jpg)
Under Armour
Short Sleeve T-Shirt
Size X-Small youth
$11.99 $6.59 45% off with code GOBIG
55% off estimated retail![Under Armour Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612338380/complimentary.jpg)
![Under Armour Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612338330/complimentary.jpg)
Under Armour
Short Sleeve T-Shirt
Size Large youth
$11.99 $6.59 45% off with code GOBIG
55% off estimated retail![Under Armour Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612299003/complimentary.jpg)
![Under Armour Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612298873/complimentary.jpg)
Under Armour
Short Sleeve T-Shirt
Size Large youth
$14.99 $8.24 45% off with code GOBIG
44% off estimated retail![Under Armour Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612213378/complimentary.jpg)
![Under Armour Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612213310/complimentary.jpg)
Under Armour
Short Sleeve T-Shirt
Size Large youth
$16.99 $9.34 45% off with code GOBIG
37% off estimated retail![Champro Sports Long Sleeve Jersey (view 2)](https://cf-assets-thredup.thredup.com/assets/612215734/complimentary.jpg)
![Champro Sports Long Sleeve Jersey (view 1)](https://cf-assets-thredup.thredup.com/assets/612215699/complimentary.jpg)
Champro Sports
Long Sleeve Jersey
Size Large youth
$6.99 $3.84 45% off with code GOBIG
36% off estimated retail![Under Armour Pullover Hoodie (view 2)](https://cf-assets-thredup.thredup.com/assets/611867135/complimentary.jpg)
![Under Armour Pullover Hoodie (view 1)](https://cf-assets-thredup.thredup.com/assets/611867068/complimentary.jpg)
Under Armour
Pullover Hoodie
Size Small youth
$25.99 $14.29 45% off with code GOBIG
61% off estimated retail![Lito Long Sleeve Button-Down Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612563829/complimentary.jpg)
![Lito Long Sleeve Button-Down Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612563775/complimentary.jpg)
Lito
Long Sleeve Button-Down Shirt
Size X-Large kids
$7.99 $4.39 45% off with code GOBIG
63% off estimated retail![Lulus Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612124734/complimentary.jpg)
![Lulus Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612124717/complimentary.jpg)
Lulus
Short Sleeve T-Shirt
Size Small youth
$8.99 $4.94 45% off with code GOBIG
18% off estimated retail![Nike Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612124683/complimentary.jpg)
![Nike Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612124666/complimentary.jpg)
Nike
Short Sleeve T-Shirt
Size Medium kids
$12.99 $7.14 45% off with code GOBIG
50% off estimated retail![Gap X Star Wars Pullover Hoodie (view 2)](https://cf-assets-thredup.thredup.com/assets/612100830/complimentary.jpg)
![Gap X Star Wars Pullover Hoodie (view 1)](https://cf-assets-thredup.thredup.com/assets/612100745/complimentary.jpg)
Gap X Star Wars
Pullover Hoodie
Size 6-12 mo
$19.99 $10.99 45% off with code GOBIG
44% off estimated retail![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![Under Armour Long Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612756430/complimentary.jpg)
![Under Armour Long Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612756351/complimentary.jpg)
Under Armour
Long Sleeve T-Shirt
Size X-Large youth
$11.99 $6.59 45% off with code GOBIG
55% off estimated retail![Under Armour Long Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612812139/complimentary.jpg)
![Under Armour Long Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612812225/complimentary.jpg)
Under Armour
Long Sleeve T-Shirt
Size X-Large youth
$12.99 $7.14 45% off with code GOBIG
51% off estimated retail![Under Armour Long Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612756092/complimentary.jpg)
![Under Armour Long Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612756007/complimentary.jpg)
Under Armour
Long Sleeve T-Shirt
Size X-Large kids
$13.99 $7.69 45% off with code GOBIG
48% off estimated retail![Hawke & Co. Long Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/612709496/complimentary.jpg)
![Hawke & Co. Long Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/612709376/complimentary.jpg)
Hawke & Co.
Long Sleeve T-Shirt
Size Large kids
$9.99 $5.49 45% off with code GOBIG
66% off estimated retail![Vineyard Vines Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/611979304/complimentary.jpg)
![Vineyard Vines Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/611979259/complimentary.jpg)
Vineyard Vines
Short Sleeve T-Shirt
Size 7
$12.99 $7.14 45% off with code GOBIG
51% off estimated retail