Trending Categories
Trending Brands
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.
11,738 items
Sort by:
View Product: Genuine Merchandise by Team Athletics Zip Up Hoodie
Genuine Merchandise by Team Athletics
Zip Up Hoodie
Size 3T
$13.99 $7.69 45% off with code GOBIG
61% off estimated retailView Product: Ralph Lauren Long Sleeve Button-Down Shirt
Ralph Lauren
Long Sleeve Button-Down Shirt
Size 5
$16.99 $9.34 45% off with code GOBIG
73% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Medium youth
$17.99 $9.89 45% off with code GOBIG
56% off estimated retailView Product: FORTNITE Short Sleeve T-Shirt
FORTNITE
Short Sleeve T-Shirt
Size Medium kids
$9.99 $5.49 45% off with code GOBIG
54% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Medium youth
$18.99 $10.44 45% off with code GOBIG
53% off estimated retailView Product: Under Armour Zip Up Hoodie
Under Armour
Zip Up Hoodie
Size Large youth
$24.99 $13.74 45% off with code GOBIG
54% off estimated retailView Product: Under Armour Pullover Hoodie
Under Armour
Pullover Hoodie
Size Medium youth
$25.99 $14.29 45% off with code GOBIG
52% off estimated retailView Product: Ralph Lauren Long Sleeve Button-Down Shirt
Ralph Lauren
Long Sleeve Button-Down Shirt
Size 5
$17.99 $9.89 45% off with code GOBIG
71% off estimated retailView Product: The Simpsons Short Sleeve T-Shirt
The Simpsons
Short Sleeve T-Shirt
Size X-Small youth
$6.99 $3.84 45% off with code GOBIG
36% off estimated retailView Product: Super Mario Pullover Sweater
Super Mario
Pullover Sweater
Size Medium youth
$17.99 $9.89 45% off with code GOBIG
33% off estimated retailView Product: Stranger Things Short Sleeve T-Shirt
Stranger Things
Short Sleeve T-Shirt
Size X-Small youth
$11.99 $6.59 45% off with code GOBIG
45% off estimated retailView Product: Under Armour Pullover Hoodie
Under Armour
Pullover Hoodie
Size X-Small youth
$24.99 $13.74 45% off with code GOBIG
54% off estimated retailView Product: Under Armour Zip Up Hoodie
Under Armour
Zip Up Hoodie
Size Medium youth
$24.99 $13.74 45% off with code GOBIG
54% off estimated retailView Product: Under Armour Pullover Hoodie
Under Armour
Pullover Hoodie
Size Medium youth
$24.99 $13.74 45% off with code GOBIG
54% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Large youth
$18.99 $10.44 45% off with code GOBIG
53% off estimated retailView Product: Assorted Brands Short Sleeve Button-Down Shirt
Assorted Brands
Short Sleeve Button-Down Shirt
Size 110 cm
$11.99 $6.59 45% off with code GOBIG
55% off estimated retailView Product: Assorted Brands Short Sleeve Button-Down Shirt
Assorted Brands
Short Sleeve Button-Down Shirt
Size 120 cm
$14.99 $8.24 45% off with code GOBIG
54% off estimated retailView Product: Assorted Brands Short Sleeve Button-Down Shirt
Assorted Brands
Short Sleeve Button-Down Shirt
Size 15
$14.99 $8.24 45% off with code GOBIG
54% off estimated retailView Product: Assorted Brands Short Sleeve Button-Down Shirt
Assorted Brands
Short Sleeve Button-Down Shirt
Size 90 cm
$8.99 $4.94 45% off with code GOBIG
59% off estimated retailView Product: Assorted Brands Short Sleeve Button-Down Shirt
Assorted Brands
Short Sleeve Button-Down Shirt
Size 9
$13.99 $7.69 45% off with code GOBIG
57% off estimated retailView Product: Assorted Brands Short Sleeve Button-Down Shirt
Assorted Brands
Short Sleeve Button-Down Shirt
Size 7
$14.99 $8.24 45% off with code GOBIG
54% off estimated retailView Product: Assorted Brands Short Sleeve Button-Down Shirt
Assorted Brands
Short Sleeve Button-Down Shirt
Size 7
$11.99 $6.59 45% off with code GOBIG
63% off estimated retailView Product: Assorted Brands Short Sleeve Button-Down Shirt
Assorted Brands
Short Sleeve Button-Down Shirt
Size 15
$14.99 $8.24 45% off with code GOBIG
54% off estimated retailView Product: Under Armour Short Sleeve Polo
Under Armour
Short Sleeve Polo
Size X-Large youth
$19.99 $10.99 45% off with code GOBIG
51% off estimated retailView Product: Polo by Ralph Lauren Long Sleeve Henley
Polo by Ralph Lauren
Long Sleeve Henley
Size 10
$21.99 $12.09 45% off with code GOBIG
60% off estimated retailView Product: Ralph Lauren Long Sleeve Button-Down Shirt
Ralph Lauren
Long Sleeve Button-Down Shirt
Size 3T
$16.99 $9.34 45% off with code GOBIG
73% off estimated retailView Product: Brooks Brothers Long Sleeve Button-Down Shirt
Brooks Brothers
Long Sleeve Button-Down Shirt
Size 16
$12.99 $7.14 45% off with code GOBIG
80% off estimated retailView Product: Volcom Short Sleeve T-Shirt
Volcom
Short Sleeve T-Shirt
Size Large youth
$7.99 $4.39 45% off with code GOBIG
70% off estimated retailView Product: Volcom Short Sleeve T-Shirt
Volcom
Short Sleeve T-Shirt
Size X-Large kids
$9.99 $5.49 45% off with code GOBIG
63% off estimated retailView Product: Quiksilver Short Sleeve Polo
Quiksilver
Short Sleeve Polo
Size Large youth
$12.99 $7.14 45% off with code GOBIG
60% off estimated retailView Product: Brooks Brothers Short Sleeve Polo
Brooks Brothers
Short Sleeve Polo
Size X-Large kids
$15.99 $8.79 45% off with code GOBIG
67% off estimated retailView Product: Hurley Short Sleeve T-Shirt
Hurley
Short Sleeve T-Shirt
Size Large kids
$9.99 $5.49 45% off with code GOBIG
69% off estimated retailView Product: O'Neill Short Sleeve T-Shirt
O'Neill
Short Sleeve T-Shirt
Size Large youth
$10.99 $6.04 45% off with code GOBIG
50% off estimated retailView Product: Polo by Ralph Lauren Short Sleeve T-Shirt
Polo by Ralph Lauren
Short Sleeve T-Shirt
Size 5
$11.99 $6.59 45% off with code GOBIG
50% off estimated retailView Product: Nike Short Sleeve T-Shirt
Nike
Short Sleeve T-Shirt
Size X-Large kids
$13.99 $7.69 45% off with code GOBIG
46% off estimated retailView Product: Sonoma Goods for Life Pullover Sweater
Sonoma Goods for Life
Pullover Sweater
Size 10
$14.99 $8.24 45% off with code GOBIG
63% off estimated retailView Product: Under Armour Short Sleeve Polo
Under Armour
Short Sleeve Polo
Size Large youth
$18.99 $10.44 45% off with code GOBIG
53% off estimated retailView Product: Vineyard Vines Long Sleeve Button-Down Shirt
Vineyard Vines
Long Sleeve Button-Down Shirt
Size 7
$19.99 $10.99 45% off with code GOBIG
63% off estimated retailView Product: Vineyard Vines Long Sleeve Button-Down Shirt
Vineyard Vines
Long Sleeve Button-Down Shirt
Size 7
$18.99 $10.44 45% off with code GOBIG
65% off estimated retailView Product: Vineyard Vines Long Sleeve Button-Down Shirt
Vineyard Vines
Long Sleeve Button-Down Shirt
Size 8
$18.99 $10.44 45% off with code GOBIG
65% off estimated retailView Product: Ralph Lauren Long Sleeve Button-Down Shirt
Ralph Lauren
Long Sleeve Button-Down Shirt
Size 14
$16.99 $9.34 45% off with code GOBIG
73% off estimated retailView Product: Vineyard Vines Long Sleeve Button-Down Shirt
Vineyard Vines
Long Sleeve Button-Down Shirt
Size 16
$20.99 $11.54 45% off with code GOBIG
61% off estimated retailView Product: Vineyard Vines Sweatshirt
Vineyard Vines
Sweatshirt
Size Medium youth
$24.99 $13.74 45% off with code GOBIG
54% off estimated retailView Product: Assorted Brands Short Sleeve Button-Down Shirt
Assorted Brands
Short Sleeve Button-Down Shirt
Size 9
$15.99 $8.79 45% off with code GOBIG
51% off estimated retailView Product: Assorted Brands Short Sleeve Button-Down Shirt
Assorted Brands
Short Sleeve Button-Down Shirt
Size 11
$12.99 $7.14 45% off with code GOBIG
60% off estimated retailView Product: Assorted Brands Short Sleeve Button-Down Shirt
Assorted Brands
Short Sleeve Button-Down Shirt
Size 13
$15.99 $8.79 45% off with code GOBIG
51% off estimated retailView Product: Monster Short Sleeve Button-Down Shirt
Monster
Short Sleeve Button-Down Shirt
Size 13
$17.99 $9.89 45% off with code GOBIG
56% off estimated retailView Product: Assorted Brands Short Sleeve Button-Down Shirt
Assorted Brands
Short Sleeve Button-Down Shirt
Size 15
$16.99 $9.34 45% off with code GOBIG
48% off estimated retailView Product: CARREMENT BEAU Long Sleeve Button-Down Shirt
CARREMENT BEAU
Long Sleeve Button-Down Shirt
Size 10
$91.99 $50.59 45% off with code GOBIG
64% off estimated retailView Product: Gap Kids Pullover Sweater
Gap Kids
Pullover Sweater
Size X-Small youth
$18.99 $10.44 45% off with code GOBIG
55% off estimated retailView Product: Unbranded Long Sleeve Button-Down Shirt
Unbranded
Long Sleeve Button-Down Shirt
Size 120 cm
$14.99 $8.24 45% off with code GOBIG
65% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Medium youth
$18.99 $10.44 45% off with code GOBIG
53% off estimated retailView Product: Under Armour Pullover Sweater
Under Armour
Pullover Sweater
Size Small youth
$31.99 $17.59 45% off with code GOBIG
52% off estimated retailView Product: Calvin Klein Long Sleeve Button-Down Shirt
Calvin Klein
Long Sleeve Button-Down Shirt
Size 16
$15.99 $8.79 45% off with code GOBIG
61% off estimated retailView Product: Gap Kids Short Sleeve T-Shirt
Gap Kids
Short Sleeve T-Shirt
Size Medium kids
$8.99 $4.94 45% off with code GOBIG
57% off estimated retailView Product: Ralph Lauren Long Sleeve Button-Down Shirt
Ralph Lauren
Long Sleeve Button-Down Shirt
Size Small infants
$15.99 $8.79 45% off with code GOBIG
72% off estimated retailView Product: Ralph Lauren Long Sleeve Button-Down Shirt
Ralph Lauren
Long Sleeve Button-Down Shirt
Size Small infants
$16.99 $9.34 45% off with code GOBIG
71% off estimated retailView Product: Under Armour Short Sleeve Polo
Under Armour
Short Sleeve Polo
Size Medium youth
$23.99 $13.19 45% off with code GOBIG
41% off estimated retailView Product: CPC Designs Inc. Short Sleeve Button-Down Shirt
CPC Designs Inc.
Short Sleeve Button-Down Shirt
Size 8
$13.99 $7.69 45% off with code GOBIG
30% off estimated retailView Product: Spyder Short Sleeve T-Shirt
Spyder
Short Sleeve T-Shirt
Size Small kids
$12.99 $7.14 45% off with code GOBIG
71% off estimated retailView Product: Gap X Star Wars Short Sleeve T-Shirt
Gap X Star Wars
Short Sleeve T-Shirt
Size 2T
$9.99 $5.49 45% off with code GOBIG
44% off estimated retailView Product: Open Edit Short Sleeve Button-Down Shirt
Open Edit
Short Sleeve Button-Down Shirt
Size 18 mo
$11.99 $6.59 45% off with code GOBIG
55% off estimated retailView Product: Lucky Brand Short Sleeve Button-Down Shirt
Lucky Brand
Short Sleeve Button-Down Shirt
Size 24 mo
$8.99 $4.94 45% off with code GOBIG
66% off estimated retailView Product: Quiksilver Short Sleeve T-Shirt
Quiksilver
Short Sleeve T-Shirt
Size Small kids
$11.99 $6.59 45% off with code GOBIG
33% off estimated retail