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.
4,030 items
Sort by:
View Product: Top Gear by Mini King Zip Up Hoodie
Top Gear by Mini King
Zip Up Hoodie
Size 20
$9.99 $5.00 50% off with code HOTDEAL
72% off estimated retailView Product: JoJo Maman Bebe Long Sleeve Button-Down Shirt
JoJo Maman Bebe
Long Sleeve Button-Down Shirt
Size 6-12 mo
$11.24 $6.74 40% off with code HOTDEAL
79% off estimated retailView Product: Talbots Long Sleeve Button-Down Shirt
Talbots
Long Sleeve Button-Down Shirt
Size X-Small kids Petite
$10.24 $5.63 45% off with code HOTDEAL
75% off estimated retailView Product: Giordano Junior Short Sleeve T-Shirt
Giordano Junior
Short Sleeve T-Shirt
Size X-Small kids
$13.24 $7.28 45% off with code HOTDEAL
83% off estimated retailView Product: Ciamarco Long Sleeve Button-Down Shirt
Ciamarco
Long Sleeve Button-Down Shirt
Size 6
$12.24 $6.12 50% off with code HOTDEAL
72% off estimated retailView Product: Prince Short Sleeve Button-Down Shirt
Prince
Short Sleeve Button-Down Shirt
Size 8
$13.24 $7.94 40% off with code HOTDEAL
78% off estimated retailView Product: Sean John Long Sleeve Button-Down Shirt
Sean John
Long Sleeve Button-Down Shirt
Size 6
$18.24 $10.94 40% off with code HOTDEAL
82% off estimated retailView Product: Vintage Havana Short Sleeve T-Shirt
Vintage Havana
Short Sleeve T-Shirt
Size 14
$14.24 $8.54 40% off with code HOTDEAL
71% off estimated retailView Product: Next Level Apparel Short Sleeve T-Shirt
Next Level Apparel
Short Sleeve T-Shirt
Size 10
$10.24 $6.14 40% off with code HOTDEAL
30% off estimated retailView Product: Assorted Brands Long Sleeve T-Shirt
Assorted Brands
Long Sleeve T-Shirt
Size 165 cm
$8.99 $5.39 40% off with code HOTDEAL
65% off estimated retailView Product: Baby Bum Long Sleeve Button-Down Shirt
Baby Bum
Long Sleeve Button-Down Shirt
Size 12 mo
$9.24 $5.54 40% off with code HOTDEAL
50% off estimated retailView Product: Renoma Long Sleeve Button-Down Shirt
Renoma
Long Sleeve Button-Down Shirt
Size 120 cm
$15.24 $8.38 45% off with code HOTDEAL
80% off estimated retailView Product: Taille O Short Sleeve Button-Down Shirt
Taille O
Short Sleeve Button-Down Shirt
Size 12 mo
$11.24 $5.62 50% off with code HOTDEAL
65% off estimated retailView Product: Gilly Hicks Short Sleeve Polo
Gilly Hicks
Short Sleeve Polo
Size Small kids
$11.24 $6.74 40% off with code HOTDEAL
65% off estimated retailView Product: Comme Ca Ism Short Sleeve T-Shirt
Comme Ca Ism
Short Sleeve T-Shirt
Size 110 cm
$11.24 $5.62 50% off with code HOTDEAL
65% off estimated retailView Product: Tea Long Sleeve Button-Down Shirt
Tea
Long Sleeve Button-Down Shirt
Size 6-9 mo
$15.24 $9.14 40% off with code HOTDEAL
76% off estimated retailView Product: U.S. Polo Assn. Short Sleeve Button-Down Shirt
U.S. Polo Assn.
Short Sleeve Button-Down Shirt
Size 3-6 mo
$13.24 $7.28 45% off with code HOTDEAL
71% off estimated retailView Product: Janie and Jack Short Sleeve T-Shirt
Janie and Jack
Short Sleeve T-Shirt
Size 3-6 mo
$10.99 $6.59 40% off with code HOTDEAL
59% off estimated retailView Product: epk Designed In France Long Sleeve Button-Down Shirt
epk Designed In France
Long Sleeve Button-Down Shirt
Size 4
$10.24 $5.12 50% off with code HOTDEAL
73% off estimated retailView Product: Mini Rotation Long Sleeve T-Shirt
Mini Rotation
Long Sleeve T-Shirt
Size 3-6 mo
$8.24 $4.53 45% off with code HOTDEAL
20% off estimated retailView Product: Assorted Brands Long Sleeve Turtleneck
Assorted Brands
Long Sleeve Turtleneck
Size 18 mo
$9.24 $5.54 40% off with code HOTDEAL
55% off estimated retailView Product: The Children's Place Pullover Sweater
The Children's Place
Pullover Sweater
Size 5
$11.24 $6.74 40% off with code HOTDEAL
64% off estimated retailView Product: Gap Kids Short Sleeve T-Shirt
Gap Kids
Short Sleeve T-Shirt
Size X-Small kids
$10.24 $6.14 40% off with code HOTDEAL
65% off estimated retailView Product: Little Giants Short Sleeve T-Shirt
Little Giants
Short Sleeve T-Shirt
Size 4T
$9.24 $4.62 50% off with code HOTDEAL
57% off estimated retailView Product: Assorted Brands Long Sleeve T-Shirt
Assorted Brands
Long Sleeve T-Shirt
Size X-Small kids
$9.24 $5.08 45% off with code HOTDEAL
47% off estimated retailView Product: Assorted Brands Short Sleeve T-Shirt
Assorted Brands
Short Sleeve T-Shirt
Size X-Small kids
$9.24 $5.08 45% off with code HOTDEAL
47% off estimated retailView Product: Hype Long Sleeve Button-Down Shirt
Hype
Long Sleeve Button-Down Shirt
Size 6
$11.24 $5.62 50% off with code HOTDEAL
71% off estimated retailView Product: Mayfair Kids Short Sleeve Polo
Mayfair Kids
Short Sleeve Polo
Size 3-6 mo
$7.99 $4.79 40% off with code HOTDEAL
30% off estimated retailView Product: Gymboree Pullover Sweater
Gymboree
Pullover Sweater
Size X-Small kids
$11.24 $6.18 45% off with code HOTDEAL
72% off estimated retailView Product: Scout Short Sleeve T-Shirt
Scout
Short Sleeve T-Shirt
Size Large tots
$9.24 $4.62 50% off with code HOTDEAL
57% off estimated retailView Product: Jessica Simpson Sleeveless T-Shirt
Jessica Simpson
Sleeveless T-Shirt
Size 10
$7.99 $4.79 40% off with code HOTDEAL
53% off estimated retailView Product: Crewcuts Short Sleeve Button-Down Shirt
Crewcuts
Short Sleeve Button-Down Shirt
Size 7
$9.99 $5.99 40% off with code HOTDEAL
80% off estimated retailView Product: Kitchoun Long Sleeve Button-Down Shirt
Kitchoun
Long Sleeve Button-Down Shirt
Size 50 cm
$8.24 $4.53 45% off with code HOTDEAL
42% off estimated retailView Product: Moo Boo's Long Sleeve Button-Down Shirt
Moo Boo's
Long Sleeve Button-Down Shirt
Size Small infants
$7.24 $4.34 40% off with code HOTDEAL
65% off estimated retailView Product: Bebe Bushh Short Sleeve T-Shirt
Bebe Bushh
Short Sleeve T-Shirt
Size 6 mo
$8.24 $4.94 40% off with code HOTDEAL
58% off estimated retailView Product: Baby Style Long Sleeve T-Shirt
Baby Style
Long Sleeve T-Shirt
Size 6-12 mo
$8.24 $4.94 40% off with code HOTDEAL
30% off estimated retailView Product: Girls Club by Healthtex Short Sleeve T-Shirt
Girls Club by Healthtex
Short Sleeve T-Shirt
Size 8
$8.24 $4.94 40% off with code HOTDEAL
30% off estimated retailView Product: New Balance Active T-Shirt
New Balance
Active T-Shirt
Size Medium kids
$17.24 $9.48 45% off with code HOTDEAL
65% off estimated retailView Product: Noppies Long Sleeve Button-Down Shirt
Noppies
Long Sleeve Button-Down Shirt
Size 95 cm
$8.24 $4.94 40% off with code HOTDEAL
76% off estimated retailView Product: B.T. Kids Short Sleeve Button-Down Shirt
B.T. Kids
Short Sleeve Button-Down Shirt
Size 4
$8.24 $4.53 45% off with code HOTDEAL
38% off estimated retailView Product: Assorted Brands Short Sleeve T-Shirt
Assorted Brands
Short Sleeve T-Shirt
Size 70 cm
$7.24 $4.34 40% off with code HOTDEAL
64% off estimated retailView Product: Jerzees Short Sleeve T-Shirt
Jerzees
Short Sleeve T-Shirt
Size Large youth
$8.24 $4.94 40% off with code HOTDEAL
20% off estimated retailView Product: Nike Short Sleeve T-Shirt
Nike
Short Sleeve T-Shirt
Size Small youth
$8.24 $4.94 40% off with code HOTDEAL
70% off estimated retailView Product: dip Long Sleeve Button-Down Shirt
dip
Long Sleeve Button-Down Shirt
Size X-Small kids
$8.24 $4.94 40% off with code HOTDEAL
58% off estimated retailView Product: Assorted Brands Short Sleeve T-Shirt
Assorted Brands
Short Sleeve T-Shirt
Size Small youth
$8.99 $5.39 40% off with code HOTDEAL
60% off estimated retailView Product: American Bulldog Short Sleeve Polo
American Bulldog
Short Sleeve Polo
Size 12 mo
$8.24 $4.53 45% off with code HOTDEAL
46% off estimated retailView Product: First Impressions Short Sleeve T-Shirt
First Impressions
Short Sleeve T-Shirt
Size 3-6 mo
$8.99 $5.39 40% off with code HOTDEAL
53% off estimated retailView Product: Carter's Short Sleeve T-Shirt
Carter's
Short Sleeve T-Shirt
Size Newborn
$8.99 $5.39 40% off with code HOTDEAL
33% off estimated retailView Product: Laughing Giraffe Short Sleeve T-Shirt
Laughing Giraffe
Short Sleeve T-Shirt
Size 0-3 mo
$8.24 $4.53 45% off with code HOTDEAL
42% off estimated retailView Product: Baby Gap Short Sleeve T-Shirt
Baby Gap
Short Sleeve T-Shirt
Size 0-3 mo
$8.24 $4.94 40% off with code HOTDEAL
46% off estimated retailView Product: Carter's Short Sleeve T-Shirt
Carter's
Short Sleeve T-Shirt
Size Newborn
$8.99 $5.39 40% off with code HOTDEAL
33% off estimated retailView Product: The Children's Place Active T-Shirt
The Children's Place
Active T-Shirt
Size 6-9 mo
$8.99 $5.39 40% off with code HOTDEAL
46% off estimated retailView Product: Assorted Brands Long Sleeve Button-Down Shirt
Assorted Brands
Long Sleeve Button-Down Shirt
Size 80 cm
$7.24 $4.34 40% off with code HOTDEAL
74% off estimated retailView Product: Assorted Brands Long Sleeve T-Shirt
Assorted Brands
Long Sleeve T-Shirt
Size 9 mo
$8.99 $5.39 40% off with code HOTDEAL
42% off estimated retailView Product: Assorted Brands Long Sleeve T-Shirt
Assorted Brands
Long Sleeve T-Shirt
Size Newborn
$8.99 $5.39 40% off with code HOTDEAL
42% off estimated retailView Product: Assorted Brands Long Sleeve T-Shirt
Assorted Brands
Long Sleeve T-Shirt
Size Newborn
$8.99 $5.39 40% off with code HOTDEAL
42% off estimated retailView Product: OshKosh B'gosh Long Sleeve Button-Down Shirt
OshKosh B'gosh
Long Sleeve Button-Down Shirt
Size 6 mo
$8.99 $5.39 40% off with code HOTDEAL
33% off estimated retailView Product: Great Guy Long Sleeve Button-Down Shirt
Great Guy
Long Sleeve Button-Down Shirt
Size 4T
$8.24 $4.94 40% off with code HOTDEAL
53% off estimated retailView Product: Assorted Brands Pullover Sweater
Assorted Brands
Pullover Sweater
Size 110 cm
$15.99 $6.40 60% off with code HOTDEAL
62% off estimated retailView Product: Assorted Brands Short Sleeve T-Shirt
Assorted Brands
Short Sleeve T-Shirt
Size 60 cm
$8.99 $5.39 40% off with code HOTDEAL
42% off estimated retailView Product: The Children's Place Sweatshirt
The Children's Place
Sweatshirt
Size 6-9 mo
$8.24 $4.94 40% off with code HOTDEAL
68% off estimated retailView Product: Carter's Short Sleeve Button-Down Shirt
Carter's
Short Sleeve Button-Down Shirt
Size 12 mo
$8.99 $5.39 40% off with code HOTDEAL
63% off estimated retailView Product: Ralph Lauren Short Sleeve Button-Down Shirt
Ralph Lauren
Short Sleeve Button-Down Shirt
Size 12 mo
$7.24 $4.34 40% off with code HOTDEAL
83% off estimated retailView Product: The Children's Boutique Long Sleeve T-Shirt
The Children's Boutique
Long Sleeve T-Shirt
Size 3-6 mo
$10.24 $6.14 40% off with code HOTDEAL
50% off estimated retail