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.
657 items
Sort by:
View Product: Vineyard Vines Long Sleeve T-Shirt
Vineyard Vines
Long Sleeve T-Shirt
Size 18
$15.99 $11.99 25% off with code THRIFT25
40% off estimated retailView Product: Pacific Long Sleeve T-Shirt
Pacific
Long Sleeve T-Shirt
Size Medium youth
$5.99 $4.49 25% off with code THRIFT25
45% off estimated retailView Product: O'Neill Short Sleeve Button-Down Shirt
O'Neill
Short Sleeve Button-Down Shirt
Size Large kids
$21.99 $16.49 25% off with code THRIFT25
51% off estimated retailView Product: Ralph Lauren Long Sleeve Button-Down Shirt
Ralph Lauren
Long Sleeve Button-Down Shirt
Size 18 mo
$20.99 $15.74 25% off with code THRIFT25
67% off estimated retailView Product: Air Jordan Short Sleeve T-Shirt
Air Jordan
Short Sleeve T-Shirt
Size 12
$18.99 $14.24 25% off with code THRIFT25
56% off estimated retailView Product: Kenzo Kids Short Sleeve T-Shirt
Kenzo Kids
Short Sleeve T-Shirt
Size 12
$46.99 $35.24 25% off with code THRIFT25
41% off estimated retailView Product: Gap Kids Short Sleeve Button-Down Shirt
Gap Kids
Short Sleeve Button-Down Shirt
Size Medium infants
$11.99 $8.99 25% off with code THRIFT25
55% off estimated retailView Product: Lauren by Ralph Lauren Long Sleeve Button-Down Shirt
Lauren by Ralph Lauren
Long Sleeve Button-Down Shirt
Size 8
$12.99 $9.74 25% off with code THRIFT25
70% off estimated retailView Product: Crewcuts Outlet Pullover Sweater
Crewcuts Outlet
Pullover Sweater
Size 12
$15.99 $11.99 25% off with code THRIFT25
61% off estimated retailView Product: Zara Kids Short Sleeve Button-Down Shirt
Zara Kids
Short Sleeve Button-Down Shirt
Size 2T
$10.99 $8.24 25% off with code THRIFT25
50% off estimated retailView Product: Nike Short Sleeve T-Shirt
Nike
Short Sleeve T-Shirt
Size Small infants
$8.99 $6.74 25% off with code THRIFT25
43% off estimated retailView Product: Nike Short Sleeve T-Shirt
Nike
Short Sleeve T-Shirt
Size Medium kids
$11.99 $8.99 25% off with code THRIFT25
53% off estimated retailView Product: flynn and o'hara Short Sleeve Button-Down Shirt
flynn and o'hara
Short Sleeve Button-Down Shirt
Size 18
$7.99 $5.99 25% off with code THRIFT25
50% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size X-Large youth
$18.99 $14.24 25% off with code THRIFT25
53% off estimated retailView Product: Assorted Brands Long Sleeve T-Shirt
Assorted Brands
Long Sleeve T-Shirt
Size 2
$9.99 $7.49 25% off with code THRIFT25
33% off estimated retailView Product: Rockets of Awesome Short Sleeve T-Shirt
Rockets of Awesome
Short Sleeve T-Shirt
Size 14
$11.99 $8.99 25% off with code THRIFT25
45% off estimated retailView Product: Urban Pipeline Short Sleeve Button-Down Shirt
Urban Pipeline
Short Sleeve Button-Down Shirt
Size Medium youth
$10.99 $8.24 25% off with code THRIFT25
56% off estimated retailView Product: U.S. Polo Assn. Short Sleeve Polo
U.S. Polo Assn.
Short Sleeve Polo
Size 3T
$11.99 $8.99 25% off with code THRIFT25
55% off estimated retailView Product: Timberland Short Sleeve T-Shirt
Timberland
Short Sleeve T-Shirt
Size 10
$12.99 $9.74 25% off with code THRIFT25
70% off estimated retailView Product: Nike Short Sleeve T-Shirt
Nike
Short Sleeve T-Shirt
Size Small kids
$12.99 $9.74 25% off with code THRIFT25
50% off estimated retailView Product: Jurassic World Short Sleeve T-Shirt
Jurassic World
Short Sleeve T-Shirt
Size 2T
$9.99 $7.49 25% off with code THRIFT25
33% off estimated retailView Product: Vineyard Vines Long Sleeve T-Shirt
Vineyard Vines
Long Sleeve T-Shirt
Size 7
$15.99 $11.99 25% off with code THRIFT25
40% off estimated retailView Product: Vineyard Vines Long Sleeve Button-Down Shirt
Vineyard Vines
Long Sleeve Button-Down Shirt
Size Small kids
$14.99 $11.24 25% off with code THRIFT25
66% off estimated retailView Product: Johnnie-O Short Sleeve Button-Down Shirt
Johnnie-O
Short Sleeve Button-Down Shirt
Size 10
$21.99 $16.49 25% off with code THRIFT25
66% off estimated retailView Product: Polo by Ralph Lauren Long Sleeve Polo
Polo by Ralph Lauren
Long Sleeve Polo
Size 6
$13.99 $10.49 25% off with code THRIFT25
70% off estimated retailView Product: Ralph Lauren Long Sleeve Button-Down Shirt
Ralph Lauren
Long Sleeve Button-Down Shirt
Size 5
$20.99 $15.74 25% off with code THRIFT25
67% off estimated retailView Product: American Outfitters Short Sleeve T-Shirt
American Outfitters
Short Sleeve T-Shirt
Size 6
$14.99 $11.24 25% off with code THRIFT25
72% off estimated retailView Product: Hope & Henry Pullover Sweater
Hope & Henry
Pullover Sweater
Size Medium infants
$15.99 $11.99 25% off with code THRIFT25
55% off estimated retailView Product: Vineyard Vines Long Sleeve T-Shirt
Vineyard Vines
Long Sleeve T-Shirt
Size 4T
$17.99 $13.49 25% off with code THRIFT25
21% off estimated retailView Product: Scotch & Soda Short Sleeve T-Shirt
Scotch & Soda
Short Sleeve T-Shirt
Size 6
$12.99 $9.74 25% off with code THRIFT25
70% off estimated retailView Product: Janie and Jack Pullover Sweater
Janie and Jack
Pullover Sweater
Size 5
$20.99 $15.74 25% off with code THRIFT25
59% off estimated retailView Product: CRAFT + FLOW Short Sleeve Button-Down Shirt
CRAFT + FLOW
Short Sleeve Button-Down Shirt
Size 10
$17.99 $13.49 25% off with code THRIFT25
56% off estimated retailView Product: French Toast Long Sleeve Button-Down Shirt
French Toast
Long Sleeve Button-Down Shirt
Size 18
$7.99 $5.99 25% off with code THRIFT25
63% off estimated retailView Product: Nike Short Sleeve Polo
Nike
Short Sleeve Polo
Size Medium youth
$19.99 $14.99 25% off with code THRIFT25
58% off estimated retailView Product: Ragazzo Uomo Long Sleeve Button-Down Shirt
Ragazzo Uomo
Long Sleeve Button-Down Shirt
Size 8
$15.99 $11.99 25% off with code THRIFT25
75% off estimated retailView Product: Old Navy Short Sleeve T-Shirt
Old Navy
Short Sleeve T-Shirt
Size 3-6 mo
$5.99 $4.49 25% off with code THRIFT25
40% off estimated retailView Product: Zara Baby Long Sleeve T-Shirt
Zara Baby
Long Sleeve T-Shirt
Size 12-18 mo
$6.99 $5.24 25% off with code THRIFT25
53% off estimated retailView Product: Zara Baby Long Sleeve T-Shirt
Zara Baby
Long Sleeve T-Shirt
Size 6-9 mo
$7.99 $5.99 25% off with code THRIFT25
46% off estimated retailView Product: The Children's Place Short Sleeve T-Shirt
The Children's Place
Short Sleeve T-Shirt
Size 10
$8.99 $6.74 25% off with code THRIFT25
43% off estimated retailView Product: Lauren by Ralph Lauren Long Sleeve Button-Down Shirt
Lauren by Ralph Lauren
Long Sleeve Button-Down Shirt
Size 10
$17.99 $13.49 25% off with code THRIFT25
59% off estimated retailView Product: Vineyard Vines Long Sleeve T-Shirt
Vineyard Vines
Long Sleeve T-Shirt
Size 12
$10.99 $8.24 25% off with code THRIFT25
59% off estimated retailView Product: Assorted Brands Short Sleeve T-Shirt
Assorted Brands
Short Sleeve T-Shirt
Size Large youth
$8.99 $6.74 25% off with code THRIFT25
59% off estimated retailView Product: Champion Short Sleeve T-Shirt
Champion
Short Sleeve T-Shirt
Size Large youth
$9.99 $7.49 25% off with code THRIFT25
37% off estimated retailView Product: Blanks Boutique Long Sleeve T-Shirt
Blanks Boutique
Long Sleeve T-Shirt
Size 5T
$5.99 $4.49 25% off with code THRIFT25
33% off estimated retailView Product: Nordstrom Long Sleeve Button-Down Shirt
Nordstrom
Long Sleeve Button-Down Shirt
Size 4
$14.99 $11.24 25% off with code THRIFT25
66% off estimated retailView Product: Appaman Long Sleeve Button-Down Shirt
Appaman
Long Sleeve Button-Down Shirt
Size 10
$19.99 $14.99 25% off with code THRIFT25
63% off estimated retailView Product: The Children's Place Long Sleeve Henley
The Children's Place
Long Sleeve Henley
Size 6
$10.99 $8.24 25% off with code THRIFT25
38% off estimated retailView Product: Vineyard Vines Short Sleeve T-Shirt
Vineyard Vines
Short Sleeve T-Shirt
Size Medium kids
$16.99 $12.74 25% off with code THRIFT25
35% off estimated retailView Product: Vans Short Sleeve T-Shirt
Vans
Short Sleeve T-Shirt
Size Small infants
$7.99 $5.99 25% off with code THRIFT25
55% off estimated retailView Product: Hanes Short Sleeve T-Shirt
Hanes
Short Sleeve T-Shirt
Size Small kids
$6.99 $5.24 25% off with code THRIFT25
22% off estimated retailView Product: Lauren by Ralph Lauren Long Sleeve Button-Down Shirt
Lauren by Ralph Lauren
Long Sleeve Button-Down Shirt
Size 8
$16.99 $12.74 25% off with code THRIFT25
61% off estimated retailView Product: Elfin Doll Kids Short Sleeve T-Shirt
Elfin Doll Kids
Short Sleeve T-Shirt
Size 90 cm
$5.99 $4.49 25% off with code THRIFT25
45% off estimated retailView Product: Vineyard Vines Short Sleeve Button-Down Shirt
Vineyard Vines
Short Sleeve Button-Down Shirt
Size 6
$13.99 $10.49 25% off with code THRIFT25
65% off estimated retailView Product: Zara Baby Short Sleeve T-Shirt
Zara Baby
Short Sleeve T-Shirt
Size 9-12 mo
$6.99 $5.24 25% off with code THRIFT25
53% off estimated retailView Product: Tommy Hilfiger Pullover Sweater
Tommy Hilfiger
Pullover Sweater
Size 16
$21.99 $16.49 25% off with code THRIFT25
67% off estimated retailView Product: Tommy Hilfiger Pullover Sweater
Tommy Hilfiger
Pullover Sweater
Size 16
$21.99 $16.49 25% off with code THRIFT25
67% off estimated retailView Product: Gap Kids Outlet Pullover Sweater
Gap Kids Outlet
Pullover Sweater
Size X-Large kids
$18.99 $14.24 25% off with code THRIFT25
44% off estimated retailView Product: Polo by Ralph Lauren Sweatshirt
Polo by Ralph Lauren
Sweatshirt
Size 6
$22.99 $17.24 25% off with code THRIFT25
74% off estimated retailView Product: Isaac Mizrahi New York Long Sleeve Button-Down Shirt
Isaac Mizrahi New York
Long Sleeve Button-Down Shirt
Size 4
$10.99 $8.24 25% off with code THRIFT25
69% off estimated retailView Product: Janie and Jack Long Sleeve T-Shirt
Janie and Jack
Long Sleeve T-Shirt
Size 10
$14.99 $11.24 25% off with code THRIFT25
55% off estimated retailView Product: Janie and Jack Short Sleeve T-Shirt
Janie and Jack
Short Sleeve T-Shirt
Size 4
$11.99 $8.99 25% off with code THRIFT25
50% off estimated retailView Product: EZPZ Easy Peasy Long Sleeve Henley
EZPZ Easy Peasy
Long Sleeve Henley
Size 5T
$29.99 $22.49 25% off with code THRIFT25
67% off estimated retailView Product: Zara Baby Pullover Sweater
Zara Baby
Pullover Sweater
Size 6-9 mo
$15.99 $11.99 25% off with code THRIFT25
55% off estimated retailView Product: Crewcuts Outlet Pullover Sweater
Crewcuts Outlet
Pullover Sweater
Size 6
$18.99 $14.24 25% off with code THRIFT25
53% off estimated retailView Product: OshKosh B'gosh Short Sleeve Polo
OshKosh B'gosh
Short Sleeve Polo
Size 10
$10.99 $8.24 25% off with code THRIFT25
47% off estimated retailView Product: Under Armour Short Sleeve Polo
Under Armour
Short Sleeve Polo
Size Small youth
$19.99 $14.99 25% off with code THRIFT25
51% off estimated retailView Product: Gap X Star Wars Short Sleeve Polo
Gap X Star Wars
Short Sleeve Polo
Size Small kids
$15.99 $11.99 25% off with code THRIFT25
52% off estimated retailView Product: Vineyard Vines Long Sleeve Button-Down Shirt
Vineyard Vines
Long Sleeve Button-Down Shirt
Size 2T
$12.99 $9.74 25% off with code THRIFT25
63% off estimated retailView Product: Janie and Jack Short Sleeve Button-Down Shirt
Janie and Jack
Short Sleeve Button-Down Shirt
Size 3
$11.99 $8.99 25% off with code THRIFT25
69% off estimated retailView Product: Converse Long Sleeve T-Shirt
Converse
Long Sleeve T-Shirt
Size Medium kids
$12.99 $9.74 25% off with code THRIFT25
40% off estimated retailView Product: Lila & Hayes Short Sleeve Button-Down Shirt
Lila & Hayes
Short Sleeve Button-Down Shirt
Size 8
$15.99 $11.99 25% off with code THRIFT25
75% off estimated retailView Product: Zara Long Sleeve Button-Down Shirt
Zara
Long Sleeve Button-Down Shirt
Size 10
$19.99 $14.99 25% off with code THRIFT25
54% off estimated retailView Product: Polo by Ralph Lauren Short Sleeve T-Shirt
Polo by Ralph Lauren
Short Sleeve T-Shirt
Size 6
$14.99 $11.24 25% off with code THRIFT25
44% off estimated retailView Product: Zara Kids Long Sleeve Button-Down Shirt
Zara Kids
Long Sleeve Button-Down Shirt
Size 7
$11.99 $8.99 25% off with code THRIFT25
72% off estimated retailView Product: Nike Active T-Shirt
Nike
Active T-Shirt
Size X-Large youth
$18.99 $14.24 25% off with code THRIFT25
53% off estimated retailView Product: Zara Long Sleeve Button-Down Shirt
Zara
Long Sleeve Button-Down Shirt
Size 10
$9.99 $7.49 25% off with code THRIFT25
69% off estimated retailView Product: Vineyard Vines Long Sleeve T-Shirt
Vineyard Vines
Long Sleeve T-Shirt
Size 16
$15.99 $11.99 25% off with code THRIFT25
40% off estimated retailView Product: The Plantation Shop Short Sleeve Button-Down Shirt
The Plantation Shop
Short Sleeve Button-Down Shirt
Size 4
$12.99 $9.74 25% off with code THRIFT25
68% off estimated retail