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.
4,202 items
Sort by:
View Product: Polo by Ralph Lauren Short Sleeve T-Shirt
Polo by Ralph Lauren
Short Sleeve T-Shirt
Size 10
$13.99 $7.69 45% off with code GOBIG
48% off estimated retailView Product: Quiksilver Short Sleeve Button-Down Shirt
Quiksilver
Short Sleeve Button-Down Shirt
Size 7
$18.99 $10.44 45% off with code GOBIG
42% off estimated retailView Product: Real Essentials Active T-Shirt
Real Essentials
Active T-Shirt
Size Medium kids
$10.99 $6.04 45% off with code GOBIG
31% off estimated retailView Product: Hanna Andersson Short Sleeve T-Shirt
Hanna Andersson
Short Sleeve T-Shirt
Size 8
$10.99 $6.04 45% off with code GOBIG
42% off estimated retailView Product: Assorted Brands Short Sleeve Button-Down Shirt
Assorted Brands
Short Sleeve Button-Down Shirt
Size Small kids
$10.99 $6.04 45% off with code GOBIG
59% off estimated retailView Product: Benito & Benita Pullover Sweater
Benito & Benita
Pullover Sweater
Size 150 cm
$11.99 $6.59 45% off with code GOBIG
64% off estimated retailView Product: Hanna Andersson Long Sleeve T-Shirt
Hanna Andersson
Long Sleeve T-Shirt
Size 10
$10.99 $6.04 45% off with code GOBIG
47% off estimated retailView Product: Baby Gap Short Sleeve T-Shirt
Baby Gap
Short Sleeve T-Shirt
Size 12-18 mo
$11.99 $6.59 45% off with code GOBIG
25% off estimated retailView Product: Hanna Andersson Pullover Hoodie
Hanna Andersson
Pullover Hoodie
Size 140 cm
$21.99 $12.09 45% off with code GOBIG
46% off estimated retailView Product: Polo by Ralph Lauren Short Sleeve Polo
Polo by Ralph Lauren
Short Sleeve Polo
Size 8
$15.99 $8.79 45% off with code GOBIG
66% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Medium youth
$19.99 $10.99 45% off with code GOBIG
51% off estimated retailView Product: Hanna Andersson Long Sleeve T-Shirt
Hanna Andersson
Long Sleeve T-Shirt
Size 10
$10.99 $6.04 45% off with code GOBIG
47% off estimated retailView Product: Under Armour Short Sleeve Polo
Under Armour
Short Sleeve Polo
Size Medium youth
$21.99 $12.09 45% off with code GOBIG
46% off estimated retailView Product: Spring Notion Long Sleeve Button-Down Shirt
Spring Notion
Long Sleeve Button-Down Shirt
Size 2T
$10.99 $6.04 45% off with code GOBIG
62% off estimated retailView Product: Robert Graham Long Sleeve Button-Down Shirt
Robert Graham
Long Sleeve Button-Down Shirt
Size 14
$68.99 $37.94 45% off with code GOBIG
64% off estimated retailView Product: Janie and Jack Short Sleeve Button-Down Shirt
Janie and Jack
Short Sleeve Button-Down Shirt
Size 18-24 mo
$16.99 $9.34 45% off with code GOBIG
56% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size X-Large youth
$21.99 $12.09 45% off with code GOBIG
46% off estimated retailView Product: Assorted Brands Short Sleeve T-Shirt
Assorted Brands
Short Sleeve T-Shirt
Size 4
$10.99 $6.04 45% off with code GOBIG
38% off estimated retailView Product: Sacred Crown Short Sleeve T-Shirt
Sacred Crown
Short Sleeve T-Shirt
Size Large youth
$11.99 $6.59 45% off with code GOBIG
25% off estimated retailView Product: Under Armour Short Sleeve T-Shirt
Under Armour
Short Sleeve T-Shirt
Size Small youth
$11.99 $6.59 45% off with code GOBIG
55% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Medium youth
$24.99 $13.74 45% off with code GOBIG
39% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size X-Large youth
$21.99 $12.09 45% off with code GOBIG
46% off estimated retailView Product: Ralph Lauren Long Sleeve Button-Down Shirt
Ralph Lauren
Long Sleeve Button-Down Shirt
Size 14
$14.99 $8.24 45% off with code GOBIG
76% off estimated retailView Product: Hope & Henry Pullover Sweater
Hope & Henry
Pullover Sweater
Size Large kids
$17.99 $9.89 45% off with code GOBIG
64% off estimated retailView Product: Kids Tales Long Sleeve Button-Down Shirt
Kids Tales
Long Sleeve Button-Down Shirt
Size 95 cm
$10.99 $6.04 45% off with code GOBIG
38% off estimated retailView Product: Vineyard Vines Long Sleeve Button-Down Shirt
Vineyard Vines
Long Sleeve Button-Down Shirt
Size 2T
$15.99 $8.79 45% off with code GOBIG
55% off estimated retailView Product: Polo by Ralph Lauren Short Sleeve T-Shirt
Polo by Ralph Lauren
Short Sleeve T-Shirt
Size 4T
$8.99 $4.94 45% off with code GOBIG
62% off estimated retailView Product: Zara Long Sleeve Button-Down Shirt
Zara
Long Sleeve Button-Down Shirt
Size 10
$17.99 $9.89 45% off with code GOBIG
59% off estimated retailView Product: Bella + Canvas Short Sleeve T-Shirt
Bella + Canvas
Short Sleeve T-Shirt
Size 3T
$6.99 $3.84 45% off with code GOBIG
22% off estimated retailView Product: Bella + Canvas Short Sleeve T-Shirt
Bella + Canvas
Short Sleeve T-Shirt
Size 3T
$6.99 $3.84 45% off with code GOBIG
22% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size X-Large youth
$19.99 $10.99 45% off with code GOBIG
51% off estimated retailView Product: Vineyard Vines Long Sleeve Button-Down Shirt
Vineyard Vines
Long Sleeve Button-Down Shirt
Size 8
$20.99 $11.54 45% off with code GOBIG
61% off estimated retailView Product: Under Armour Pullover Hoodie
Under Armour
Pullover Hoodie
Size Medium youth
$22.99 $12.64 45% off with code GOBIG
58% off estimated retailView Product: Jurassic World Active T-Shirt
Jurassic World
Active T-Shirt
Size Medium youth
$13.99 $7.69 45% off with code GOBIG
57% off estimated retailView Product: Harry & Violet Long Sleeve T-Shirt
Harry & Violet
Long Sleeve T-Shirt
Size 6-9 mo
$11.99 $6.59 45% off with code GOBIG
66% off estimated retailView Product: Baby Rebels Short Sleeve Button-Down Shirt
Baby Rebels
Short Sleeve Button-Down Shirt
Size 12 mo
$7.99 $4.39 45% off with code GOBIG
27% off estimated retailView Product: Jarvis Archer Short Sleeve T-Shirt
Jarvis Archer
Short Sleeve T-Shirt
Size 12 mo
$6.99 $3.84 45% off with code GOBIG
53% off estimated retailView Product: Assorted Brands Pullover Hoodie
Assorted Brands
Pullover Hoodie
Size 12 mo
$11.99 $6.59 45% off with code GOBIG
58% off estimated retailView Product: Zara Baby Long Sleeve Button-Down Shirt
Zara Baby
Long Sleeve Button-Down Shirt
Size 12-18 mo
$10.99 $6.04 45% off with code GOBIG
62% 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 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: 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 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: 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: 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: 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: 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: 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: 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 retail