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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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View Product: Gap Kids Long Sleeve Button-Down Shirt
Gap Kids
Long Sleeve Button-Down Shirt
Size Medium tots
$12.99 $7.79 40% off with code HOTDEAL
68% off estimated retailView Product: Assorted Brands Active Tank
Assorted Brands
Active Tank
Size Large tots
$13.24 $7.94 40% off with code HOTDEAL
63% off estimated retailView Product: Kinloch Anderson Sleeveless T-Shirt
Kinloch Anderson
Sleeveless T-Shirt
Size 60 cm
$8.99 $5.39 40% off with code HOTDEAL
46% off estimated retailView Product: Urban Pipeline Short Sleeve Polo
Urban Pipeline
Short Sleeve Polo
Size Small infants
$11.99 $7.19 40% off with code HOTDEAL
37% off estimated retailView Product: Fore!! Axel & Hudson Long Sleeve Button-Down Shirt
Fore!! Axel & Hudson
Long Sleeve Button-Down Shirt
Size 9-12 mo
$14.24 $7.12 50% off with code HOTDEAL
86% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size X-Large youth
$18.24 $10.03 45% off with code HOTDEAL
75% off estimated retailView Product: Crazy 8 Long Sleeve Button-Down Shirt
Crazy 8
Long Sleeve Button-Down Shirt
Size 7
$11.99 $7.19 40% off with code HOTDEAL
52% off estimated retailView Product: First Impressions Long Sleeve Button-Down Shirt
First Impressions
Long Sleeve Button-Down Shirt
Size 24 mo
$14.24 $8.54 40% off with code HOTDEAL
72% off estimated retailView Product: First Impressions Short Sleeve Polo
First Impressions
Short Sleeve Polo
Size 18 mo
$11.99 $7.19 40% off with code HOTDEAL
63% off estimated retailView Product: Carter's Short Sleeve T-Shirt
Carter's
Short Sleeve T-Shirt
Size Preemie
$6.99 $4.19 40% off with code HOTDEAL
46% off estimated retailView Product: Baby Mayoral Long Sleeve Button-Down Shirt
Baby Mayoral
Long Sleeve Button-Down Shirt
Size 9 mo
$10.99 $4.95 55% off with code HOTDEAL
77% off estimated retailView Product: OshKosh B'gosh Short Sleeve Button-Down Shirt
OshKosh B'gosh
Short Sleeve Button-Down Shirt
Size Up to 7lbs
$7.99 $4.79 40% off with code HOTDEAL
63% off estimated retailView Product: Assorted Brands Short Sleeve T-Shirt
Assorted Brands
Short Sleeve T-Shirt
Size 0-3 mo
$11.99 $7.19 40% off with code HOTDEAL
33% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Small youth
$18.24 $10.94 40% off with code HOTDEAL
78% off estimated retailView Product: Tom & Jerry Short Sleeve T-Shirt
Tom & Jerry
Short Sleeve T-Shirt
Size 16
$14.24 $6.41 55% off with code HOTDEAL
69% off estimated retailView Product: New Legends Long Sleeve Button-Down Shirt
New Legends
Long Sleeve Button-Down Shirt
Size 4
$10.99 $4.95 55% off with code HOTDEAL
44% off estimated retailView Product: Assorted Brands Sleeveless Jersey
Assorted Brands
Sleeveless Jersey
Size 18 mo
$10.99 $6.59 40% off with code HOTDEAL
40% off estimated retailView Product: Andy & Evan Long Sleeve Henley
Andy & Evan
Long Sleeve Henley
Size 12-18 mo
$16.99 $10.19 40% off with code HOTDEAL
86% off estimated retailView Product: Bleu Comme Gris Long Sleeve Button-Down Shirt
Bleu Comme Gris
Long Sleeve Button-Down Shirt
Size 6 mo
$48.99 $22.05 55% off with code HOTDEAL
96% off estimated retailView Product: Assorted Brands Short Sleeve T-Shirt
Assorted Brands
Short Sleeve T-Shirt
Size 150 cm
$8.99 $5.39 40% off with code HOTDEAL
60% off estimated retailView Product: Assorted Brands Long Sleeve Button-Down Shirt
Assorted Brands
Long Sleeve Button-Down Shirt
Size 60 cm
$7.99 $4.79 40% off with code HOTDEAL
75% off estimated retailView Product: Rivalry Threads Short Sleeve T-Shirt
Rivalry Threads
Short Sleeve T-Shirt
Size 4T
$10.24 $6.14 40% off with code HOTDEAL
42% off estimated retailView Product: Little Peanut Pullover Hoodie
Little Peanut
Pullover Hoodie
Size 3-6 mo
$8.99 $5.39 40% off with code HOTDEAL
46% off estimated retailView Product: Ruum Long Sleeve Button-Down Shirt
Ruum
Long Sleeve Button-Down Shirt
Size 18 mo
$10.99 $6.59 40% off with code HOTDEAL
54% off estimated retailView Product: Old Navy Long Sleeve Button-Down Shirt
Old Navy
Long Sleeve Button-Down Shirt
Size 3-6 mo
$11.99 $7.19 40% off with code HOTDEAL
37% off estimated retailView Product: Rivalry Threads Short Sleeve T-Shirt
Rivalry Threads
Short Sleeve T-Shirt
Size 12
$7.99 $4.79 40% off with code HOTDEAL
56% off estimated retailView Product: Signature Short Sleeve T-Shirt
Signature
Short Sleeve T-Shirt
Size 6-9 mo
$10.99 $6.59 40% off with code HOTDEAL
40% off estimated retailView Product: Assorted Brands Short Sleeve T-Shirt
Assorted Brands
Short Sleeve T-Shirt
Size 120 cm
$10.99 $6.59 40% off with code HOTDEAL
59% off estimated retailView Product: Under Armour Tank Top
Under Armour
Tank Top
Size X-Small youth
$10.99 $6.04 45% off with code HOTDEAL
66% 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
63% off estimated retailView Product: Rocawear Short Sleeve Button-Down Shirt
Rocawear
Short Sleeve Button-Down Shirt
Size 3-6 mo
$10.99 $6.59 40% off with code HOTDEAL
59% off estimated retailView Product: Stadium Athletics Short Sleeve T-Shirt
Stadium Athletics
Short Sleeve T-Shirt
Size 3T
$10.99 $6.59 40% off with code HOTDEAL
18% off estimated retailView Product: Assorted Brands Short Sleeve T-Shirt
Assorted Brands
Short Sleeve T-Shirt
Size 8
$8.99 $5.39 40% off with code HOTDEAL
63% off estimated retailView Product: Challenger Teamwear Active T-Shirt
Challenger Teamwear
Active T-Shirt
Size X-Small youth
$10.99 $6.59 40% off with code HOTDEAL
37% off estimated retailView Product: Challenger Teamwear Short Sleeve T-Shirt
Challenger Teamwear
Short Sleeve T-Shirt
Size Small youth
$9.99 $5.99 40% off with code HOTDEAL
18% off estimated retailView Product: Assorted Brands Short Sleeve Turtleneck
Assorted Brands
Short Sleeve Turtleneck
Size 140 cm
$11.24 $6.74 40% off with code HOTDEAL
59% off estimated retailView Product: Assorted Brands Short Sleeve T-Shirt
Assorted Brands
Short Sleeve T-Shirt
Size X-Small kids
$8.99 $4.94 45% off with code HOTDEAL
50% off estimated retailView Product: Nike Short Sleeve T-Shirt
Nike
Short Sleeve T-Shirt
Size Medium tots
$10.99 $5.50 50% off with code HOTDEAL
65% off estimated retailView Product: Baby Gap Long Sleeve Button-Down Shirt
Baby Gap
Long Sleeve Button-Down Shirt
Size 3 mo
$13.24 $7.94 40% off with code HOTDEAL
63% off estimated retailView Product: Carter's Long Sleeve Button-Down Shirt
Carter's
Long Sleeve Button-Down Shirt
Size 12 mo
$10.99 $6.59 40% off with code HOTDEAL
65% off estimated retailView Product: The Children's Place Short Sleeve Button-Down Shirt
The Children's Place
Short Sleeve Button-Down Shirt
Size 3-6 mo
$11.24 $6.74 40% off with code HOTDEAL
52% off estimated retailView Product: Goosebumps Short Sleeve T-Shirt
Goosebumps
Short Sleeve T-Shirt
Size Medium youth
$8.99 $5.39 40% off with code HOTDEAL
27% off estimated retailView Product: Augusta Sportswear Short Sleeve Jersey
Augusta Sportswear
Short Sleeve Jersey
Size Small youth
$12.24 $7.34 40% off with code HOTDEAL
43% off estimated retailView Product: FLOW SOCIETY Active T-Shirt
FLOW SOCIETY
Active T-Shirt
Size X-Small youth
$11.99 $7.19 40% off with code HOTDEAL
58% off estimated retailView Product: Hudson Long Sleeve Button-Down Shirt
Hudson
Long Sleeve Button-Down Shirt
Size 2T
$14.24 $8.54 40% off with code HOTDEAL
72% off estimated retailView Product: Assorted Brands Short Sleeve T-Shirt
Assorted Brands
Short Sleeve T-Shirt
Size 14
$11.24 $6.74 40% off with code HOTDEAL
59% off estimated retailView Product: Chaps Short Sleeve Button-Down Shirt
Chaps
Short Sleeve Button-Down Shirt
Size 18 mo
$11.99 $7.19 40% off with code HOTDEAL
70% off estimated retailView Product: Assorted Brands Pullover Hoodie
Assorted Brands
Pullover Hoodie
Size Small youth
$15.24 $8.38 45% off with code HOTDEAL
77% off estimated retailView Product: Augusta Sportswear Short Sleeve T-Shirt
Augusta Sportswear
Short Sleeve T-Shirt
Size Small youth
$12.24 $7.34 40% off with code HOTDEAL
50% off estimated retailView Product: Class Club Long Sleeve Button-Down Shirt
Class Club
Long Sleeve Button-Down Shirt
Size 6
$13.24 $7.94 40% off with code HOTDEAL
72% off estimated retailView Product: Baby Gap Long Sleeve Button-Down Shirt
Baby Gap
Long Sleeve Button-Down Shirt
Size 3-6 mo
$12.24 $7.34 40% off with code HOTDEAL
66% off estimated retailView Product: Atpapa Catpapa Short Sleeve T-Shirt
Atpapa Catpapa
Short Sleeve T-Shirt
Size 80 cm
$9.99 $5.99 40% off with code HOTDEAL
50% off estimated retailView Product: Assorted Brands Short Sleeve Henley
Assorted Brands
Short Sleeve Henley
Size 11
$12.24 $7.34 40% off with code HOTDEAL
72% off estimated retailView Product: Assorted Brands Long Sleeve Henley
Assorted Brands
Long Sleeve Henley
Size 13
$19.24 $11.54 40% off with code HOTDEAL
79% off estimated retailView Product: The Children's Place Outlet Short Sleeve Button-Down Shirt
The Children's Place Outlet
Short Sleeve Button-Down Shirt
Size 3-6 mo
$10.24 $6.14 40% off with code HOTDEAL
27% off estimated retailView Product: FLOW SOCIETY Active T-Shirt
FLOW SOCIETY
Active T-Shirt
Size X-Small youth
$12.24 $7.34 40% off with code HOTDEAL
78% off estimated retailView Product: FLOW SOCIETY Active T-Shirt
FLOW SOCIETY
Active T-Shirt
Size X-Small youth
$15.24 $9.14 40% off with code HOTDEAL
75% off estimated retailView Product: FLOW SOCIETY Active T-Shirt
FLOW SOCIETY
Active T-Shirt
Size X-Small youth
$15.24 $9.14 40% off with code HOTDEAL
78% off estimated retailView Product: Taggies Long Sleeve Button-Down Shirt
Taggies
Long Sleeve Button-Down Shirt
Size 6-9 mo
$9.99 $5.99 40% off with code HOTDEAL
40% off estimated retailView Product: FLOW SOCIETY Short Sleeve T-Shirt
FLOW SOCIETY
Short Sleeve T-Shirt
Size X-Small youth
$13.24 $7.94 40% off with code HOTDEAL
63% off estimated retailView Product: FLOW SOCIETY Active T-Shirt
FLOW SOCIETY
Active T-Shirt
Size Large youth
$12.24 $7.34 40% off with code HOTDEAL
75% off estimated retailView Product: Kids Korner Short Sleeve T-Shirt
Kids Korner
Short Sleeve T-Shirt
Size Large youth
$10.24 $6.14 40% off with code HOTDEAL
18% off estimated retailView Product: Chaps Long Sleeve Button-Down Shirt
Chaps
Long Sleeve Button-Down Shirt
Size 6 mo
$11.24 $6.74 40% off with code HOTDEAL
67% off estimated retailView Product: FLOW SOCIETY Active T-Shirt
FLOW SOCIETY
Active T-Shirt
Size X-Small youth
$13.24 $7.94 40% off with code HOTDEAL
78% off estimated retailView Product: Gymboree Short Sleeve Button-Down Shirt
Gymboree
Short Sleeve Button-Down Shirt
Size 12-18 mo
$13.24 $7.94 40% off with code HOTDEAL
66% off estimated retailView Product: Colosseum Athletics Active T-Shirt
Colosseum Athletics
Active T-Shirt
Size 0-3 mo
$10.99 $6.59 40% off with code HOTDEAL
59% off estimated retailView Product: Gap Kids Long Sleeve Button-Down Shirt
Gap Kids
Long Sleeve Button-Down Shirt
Size X-Small youth
$14.24 $8.54 40% off with code HOTDEAL
68% off estimated retailView Product: Baby Gap Short Sleeve Button-Down Shirt
Baby Gap
Short Sleeve Button-Down Shirt
Size 12-18 mo
$12.24 $7.34 40% off with code HOTDEAL
66% off estimated retailView Product: Old Skool Long Sleeve Button-Down Shirt
Old Skool
Long Sleeve Button-Down Shirt
Size 10
$10.24 $5.12 50% off with code HOTDEAL
59% off estimated retailView Product: Splendid Short Sleeve T-Shirt
Splendid
Short Sleeve T-Shirt
Size 3-6 mo
$9.99 $5.99 40% off with code HOTDEAL
63% off estimated retailView Product: Zara Baby Short Sleeve Button-Down Shirt
Zara Baby
Short Sleeve Button-Down Shirt
Size 9-12 mo
$10.99 $6.59 40% off with code HOTDEAL
59% off estimated retailView Product: The Children's Place Long Sleeve Polo
The Children's Place
Long Sleeve Polo
Size Up to 7lbs
$6.99 $4.19 40% off with code HOTDEAL
56% off estimated retailView Product: Baby Gap Long Sleeve Button-Down Shirt
Baby Gap
Long Sleeve Button-Down Shirt
Size 12-18 mo
$12.24 $7.34 40% off with code HOTDEAL
66% off estimated retailView Product: Sesame Beginnings Short Sleeve Button-Down Shirt
Sesame Beginnings
Short Sleeve Button-Down Shirt
Size 6-9 mo
$7.99 $4.79 40% off with code HOTDEAL
56% off estimated retailView Product: Mamas & Papas Long Sleeve Button-Down Shirt
Mamas & Papas
Long Sleeve Button-Down Shirt
Size 0-3 mo
$7.99 $4.39 45% off with code HOTDEAL
63% off estimated retailView Product: Zara Short Sleeve Button-Down Shirt
Zara
Short Sleeve Button-Down Shirt
Size Small kids
$10.24 $5.63 45% off with code HOTDEAL
73% off estimated retailView Product: Next Level Apparel Short Sleeve T-Shirt
Next Level Apparel
Short Sleeve T-Shirt
Size 10
$10.99 $6.59 40% off with code HOTDEAL
18% off estimated retail