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.
716 items
Sort by:
View Product: Janie and Jack Short Sleeve T-Shirt
Janie and Jack
Short Sleeve T-Shirt
Size 7
$10.99 $6.04 45% off with code GOBIG
54% off estimated retailView Product: Kenneth Cole Short Sleeve Button-Down Shirt
Kenneth Cole
Short Sleeve Button-Down Shirt
Size 5
$12.99 $7.14 45% off with code GOBIG
70% off estimated retailView Product: Polo by Ralph Lauren Pullover Sweater
Polo by Ralph Lauren
Pullover Sweater
Size 12 mo
$15.99 $8.79 45% off with code GOBIG
72% off estimated retailView Product: Gymboree Short Sleeve Polo
Gymboree
Short Sleeve Polo
Size Medium kids
$10.99 $6.04 45% off with code GOBIG
38% off estimated retailView Product: Janie and Jack Pullover Sweater
Janie and Jack
Pullover Sweater
Size 18-24 mo
$18.99 $10.44 45% off with code GOBIG
64% off estimated retailView Product: Tommy Bahama Short Sleeve T-Shirt
Tommy Bahama
Short Sleeve T-Shirt
Size 12 mo
$13.99 $7.69 45% off with code GOBIG
38% off estimated retailView Product: Appaman Short Sleeve Button-Down Shirt
Appaman
Short Sleeve Button-Down Shirt
Size 6
$18.99 $10.44 45% off with code GOBIG
53% off estimated retailView Product: Brooks Brothers Long Sleeve Button-Down Shirt
Brooks Brothers
Long Sleeve Button-Down Shirt
Size 6
$14.99 $8.24 45% off with code GOBIG
78% off estimated retailView Product: Duluth Trading Co. Long Sleeve T-Shirt
Duluth Trading Co.
Long Sleeve T-Shirt
Size 3T
$9.99 $5.49 45% off with code GOBIG
42% off estimated retailView Product: Kenneth Cole Long Sleeve Button-Down Shirt
Kenneth Cole
Long Sleeve Button-Down Shirt
Size 4T
$15.99 $8.79 45% off with code GOBIG
68% off estimated retailView Product: Air Jordan Short Sleeve T-Shirt
Air Jordan
Short Sleeve T-Shirt
Size Medium kids
$17.99 $9.89 45% off with code GOBIG
68% off estimated retailView Product: Air Jordan Active T-Shirt
Air Jordan
Active T-Shirt
Size Medium kids
$23.99 $13.19 45% off with code GOBIG
69% off estimated retailView Product: Janie and Jack Short Sleeve Button-Down Shirt
Janie and Jack
Short Sleeve Button-Down Shirt
Size 12-18 mo
$16.99 $9.34 45% off with code GOBIG
61% off estimated retailView Product: Kenneth Cole Short Sleeve Button-Down Shirt
Kenneth Cole
Short Sleeve Button-Down Shirt
Size 18 mo
$9.99 $5.49 45% off with code GOBIG
66% off estimated retailView Product: Janie and Jack Long Sleeve Button-Down Shirt
Janie and Jack
Long Sleeve Button-Down Shirt
Size 6
$15.99 $8.79 45% off with code GOBIG
64% off estimated retailView Product: First Impressions Long Sleeve T-Shirt
First Impressions
Long Sleeve T-Shirt
Size 3-6 mo
$6.99 $3.84 45% off with code GOBIG
66% off estimated retailView Product: Janie and Jack Short Sleeve Button-Down Shirt
Janie and Jack
Short Sleeve Button-Down Shirt
Size 2T
$15.99 $8.79 45% off with code GOBIG
64% off estimated retailView Product: Vineyard Vines Short Sleeve T-Shirt
Vineyard Vines
Short Sleeve T-Shirt
Size Small kids
$14.99 $8.24 45% off with code GOBIG
47% off estimated retailView Product: Ralph Lauren Long Sleeve Button-Down Shirt
Ralph Lauren
Long Sleeve Button-Down Shirt
Size 16
$18.99 $10.44 45% off with code GOBIG
70% off estimated retailView Product: Janie and Jack Short Sleeve Polo
Janie and Jack
Short Sleeve Polo
Size 18-24 mo
$10.99 $6.04 45% off with code GOBIG
54% off estimated retailView Product: Dollar General Long Sleeve T-Shirt
Dollar General
Long Sleeve T-Shirt
Size 24 mo
$5.99 $3.29 45% off with code GOBIG
28% off estimated retailView Product: Harry & Violet Long Sleeve T-Shirt
Harry & Violet
Long Sleeve T-Shirt
Size 6-9 mo
$9.99 $5.49 45% off with code GOBIG
72% off estimated retailView Product: Gap Kids Pullover Sweater
Gap Kids
Pullover Sweater
Size X-Small youth
$16.99 $9.34 45% off with code GOBIG
60% off estimated retailView Product: Calvin Klein Long Sleeve Button-Down Shirt
Calvin Klein
Long Sleeve Button-Down Shirt
Size 16
$13.99 $7.69 45% off with code GOBIG
66% off estimated retailView Product: Appaman Long Sleeve Button-Down Shirt
Appaman
Long Sleeve Button-Down Shirt
Size 8
$19.99 $10.99 45% off with code GOBIG
67% off estimated retailView Product: Gildan Short Sleeve T-Shirt
Gildan
Short Sleeve T-Shirt
Size Small youth
$6.99 $3.84 45% off with code GOBIG
45% off estimated retailView Product: Black N Bianco Long Sleeve Button-Down Shirt
Black N Bianco
Long Sleeve Button-Down Shirt
Size 8
$36.99 $20.34 45% off with code GOBIG
75% off estimated retailView Product: Nike Long Sleeve T-Shirt
Nike
Long Sleeve T-Shirt
Size X-Large kids
$18.99 $10.44 45% off with code GOBIG
47% off estimated retailView Product: Vineyard Vines Short Sleeve Polo
Vineyard Vines
Short Sleeve Polo
Size Medium youth
$17.99 $9.89 45% off with code GOBIG
56% off estimated retailView Product: Thomas Mason for Crewcuts Long Sleeve Button-Down Shirt
Thomas Mason for Crewcuts
Long Sleeve Button-Down Shirt
Size 3
$16.99 $9.34 45% off with code GOBIG
81% off estimated retailView Product: Kule Long Sleeve T-Shirt
Kule
Long Sleeve T-Shirt
Size Medium youth
$11.99 $6.59 45% off with code GOBIG
63% off estimated retailView Product: Isaac Mizrahi New York Long Sleeve Button-Down Shirt
Isaac Mizrahi New York
Long Sleeve Button-Down Shirt
Size 10
$18.99 $10.44 45% off with code GOBIG
56% off estimated retailView Product: Me and Henry Long Sleeve Button-Down Shirt
Me and Henry
Long Sleeve Button-Down Shirt
Size 7
$16.99 $9.34 45% off with code GOBIG
73% off estimated retailView Product: Janie and Jack Short Sleeve Polo
Janie and Jack
Short Sleeve Polo
Size 6-12 mo
$10.99 $6.04 45% off with code GOBIG
54% off estimated retailView Product: Splendid Short Sleeve T-Shirt
Splendid
Short Sleeve T-Shirt
Size 12-18 mo
$10.99 $6.04 45% off with code GOBIG
59% off estimated retailView Product: Burberry Short Sleeve Button-Down Shirt
Burberry
Short Sleeve Button-Down Shirt
Size 4
$64.99 $35.74 45% off with code GOBIG
75% off estimated retailView Product: Nike Long Sleeve T-Shirt
Nike
Long Sleeve T-Shirt
Size Medium kids
$18.99 $10.44 45% off with code GOBIG
58% off estimated retailView Product: Polo by Ralph Lauren Short Sleeve Polo
Polo by Ralph Lauren
Short Sleeve Polo
Size 7
$14.99 $8.24 45% off with code GOBIG
64% off estimated retailView Product: OshKosh B'gosh Short Sleeve Button-Down Shirt
OshKosh B'gosh
Short Sleeve Button-Down Shirt
Size 7
$16.99 $9.34 45% off with code GOBIG
54% off estimated retailView Product: Janie and Jack Long Sleeve Button-Down Shirt
Janie and Jack
Long Sleeve Button-Down Shirt
Size 2T
$12.99 $7.14 45% off with code GOBIG
69% off estimated retailView Product: Dennis Long Sleeve Button-Down Shirt
Dennis
Long Sleeve Button-Down Shirt
Size 12
$11.99 $6.59 45% off with code GOBIG
66% off estimated retailView Product: Coastal Classics Long Sleeve T-Shirt
Coastal Classics
Long Sleeve T-Shirt
Size Small youth
$6.99 $3.84 45% off with code GOBIG
45% off estimated retailView Product: Tommy Bahama Short Sleeve T-Shirt
Tommy Bahama
Short Sleeve T-Shirt
Size 18 mo
$13.99 $7.69 45% off with code GOBIG
38% off estimated retailView Product: Ariat Long Sleeve Button-Down Shirt
Ariat
Long Sleeve Button-Down Shirt
Size 14
$12.99 $7.14 45% off with code GOBIG
76% off estimated retailView Product: Vineyard Vines Long Sleeve Button-Down Shirt
Vineyard Vines
Long Sleeve Button-Down Shirt
Size Medium kids
$24.99 $13.74 45% off with code GOBIG
63% off estimated retailView Product: Cafe Press Short Sleeve T-Shirt
Cafe Press
Short Sleeve T-Shirt
Size 3-6 mo
$11.99 $6.59 45% off with code GOBIG
33% off estimated retailView Product: Under Armour Short Sleeve T-Shirt
Under Armour
Short Sleeve T-Shirt
Size Small youth
$14.99 $8.24 45% off with code GOBIG
44% off estimated retailView Product: Crewcuts Short Sleeve Polo
Crewcuts
Short Sleeve Polo
Size X-Small kids
$12.99 $7.14 45% off with code GOBIG
73% off estimated retailView Product: Assorted Brands Short Sleeve Button-Down Shirt
Assorted Brands
Short Sleeve Button-Down Shirt
Size 50 cm
$10.99 $6.04 45% off with code GOBIG
54% off estimated retailView Product: Vineyard Vines Short Sleeve T-Shirt
Vineyard Vines
Short Sleeve T-Shirt
Size Small kids
$18.99 $10.44 45% off with code GOBIG
34% off estimated retailView Product: Baby Gap Short Sleeve Button-Down Shirt
Baby Gap
Short Sleeve Button-Down Shirt
Size 6-12 mo
$11.99 $6.59 45% off with code GOBIG
59% off estimated retailView Product: JB Jr. Long Sleeve Button-Down Shirt
JB Jr.
Long Sleeve Button-Down Shirt
Size 8
$16.99 $9.34 45% off with code GOBIG
73% off estimated retailView Product: Nordstrom Long Sleeve Button-Down Shirt
Nordstrom
Long Sleeve Button-Down Shirt
Size 10
$15.99 $8.79 45% off with code GOBIG
70% off estimated retailView Product: Old Navy Long Sleeve T-Shirt
Old Navy
Long Sleeve T-Shirt
Size Small kids
$9.99 $5.49 45% off with code GOBIG
37% off estimated retailView Product: SANTA CRUZ Skateboards Long Sleeve T-Shirt
SANTA CRUZ Skateboards
Long Sleeve T-Shirt
Size Small youth
$8.99 $4.94 45% off with code GOBIG
53% off estimated retailView Product: Timberland Long Sleeve Button-Down Shirt
Timberland
Long Sleeve Button-Down Shirt
Size 12 mo
$24.99 $13.74 45% off with code GOBIG
56% off estimated retailView Product: 7 For All Mankind Long Sleeve Henley
7 For All Mankind
Long Sleeve Henley
Size 2T
$10.99 $6.04 45% off with code GOBIG
75% off estimated retailView Product: Disney Parks Short Sleeve Button-Down Shirt
Disney Parks
Short Sleeve Button-Down Shirt
Size X-Small youth
$16.99 $9.34 45% off with code GOBIG
65% off estimated retail