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.
11,104 items
Sort by:
View Product: Under Armour Short Sleeve T-Shirt
Under Armour
Short Sleeve T-Shirt
Size Medium youth
$11.99 $8.99 25% off with code THRIFT25
55% off estimated retailView Product: Crewcuts Short Sleeve Button-Down Shirt
Crewcuts
Short Sleeve Button-Down Shirt
Size 10
$14.99 $11.24 25% off with code THRIFT25
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
$15.99 $11.99 25% off with code THRIFT25
59% off estimated retailView Product: Crewcuts Pullover Sweater
Crewcuts
Pullover Sweater
Size Medium kids
$25.99 $19.49 25% off with code THRIFT25
68% off estimated retailView Product: Rockets of Awesome Short Sleeve T-Shirt
Rockets of Awesome
Short Sleeve T-Shirt
Size 6
$8.99 $6.74 25% off with code THRIFT25
59% off estimated retailView Product: Under Armour Active Tank
Under Armour
Active Tank
Size X-Small youth
$11.99 $8.99 25% off with code THRIFT25
55% off estimated retailView Product: J.Crew Factory Store Pullover Sweater
J.Crew Factory Store
Pullover Sweater
Size X-Small kids
$9.99 $7.49 25% off with code THRIFT25
69% off estimated retailView Product: Under Armour Short Sleeve Polo
Under Armour
Short Sleeve Polo
Size Large youth
$19.99 $14.99 25% off with code THRIFT25
51% off estimated retailView Product: Caribbean Joe Short Sleeve Button-Down Shirt
Caribbean Joe
Short Sleeve Button-Down Shirt
Size X-Large youth
$6.99 $5.24 25% off with code THRIFT25
12% off estimated retailView Product: Caribbean Joe Short Sleeve Button-Down Shirt
Caribbean Joe
Short Sleeve Button-Down Shirt
Size 14
$7.99 $5.99 25% off with code THRIFT25
50% off estimated retailView Product: Cotton Long Sleeve Button-Down Shirt
Cotton
Long Sleeve Button-Down Shirt
Size 12
$9.99 $7.49 25% off with code THRIFT25
54% off estimated retailView Product: Ralph Lauren Long Sleeve Button-Down Shirt
Ralph Lauren
Long Sleeve Button-Down Shirt
Size 5
$18.99 $14.24 25% off with code THRIFT25
70% off estimated retailView Product: Tommy Hilfiger Pullover Sweater
Tommy Hilfiger
Pullover Sweater
Size Medium youth
$20.99 $15.74 25% off with code THRIFT25
69% off estimated retailView Product: Under Armour Short Sleeve Polo
Under Armour
Short Sleeve Polo
Size Small youth
$18.99 $14.24 25% off with code THRIFT25
53% off estimated retailView Product: Baby Gap Long Sleeve Button-Down Shirt
Baby Gap
Long Sleeve Button-Down Shirt
Size 12-18 mo
$13.99 $10.49 25% off with code THRIFT25
48% off estimated retailView Product: Under Armour Short Sleeve T-Shirt
Under Armour
Short Sleeve T-Shirt
Size 7
$11.99 $8.99 25% off with code THRIFT25
55% off estimated retailView Product: Egg New York Short Sleeve Polo
Egg New York
Short Sleeve Polo
Size 2T
$21.99 $16.49 25% off with code THRIFT25
66% off estimated retailView Product: Roller Rabbit Short Sleeve Button-Down Shirt
Roller Rabbit
Short Sleeve Button-Down Shirt
Size 2
$15.99 $11.99 25% off with code THRIFT25
63% off estimated retailView Product: Rip Curl Short Sleeve T-Shirt
Rip Curl
Short Sleeve T-Shirt
Size 12 mo
$9.99 $7.49 25% off with code THRIFT25
54% off estimated retailView Product: Under Armour Short Sleeve Polo
Under Armour
Short Sleeve Polo
Size X-Small youth
$21.99 $16.49 25% off with code THRIFT25
46% off estimated retailView Product: Nike Short Sleeve T-Shirt
Nike
Short Sleeve T-Shirt
Size X-Large kids
$12.99 $9.74 25% off with code THRIFT25
50% off estimated retailView Product: Under Armour Zip Up Hoodie
Under Armour
Zip Up Hoodie
Size X-Large youth
$30.99 $23.24 25% off with code THRIFT25
54% off estimated retailView Product: Mountain Lake Short Sleeve T-Shirt
Mountain Lake
Short Sleeve T-Shirt
Size Small kids
$5.99 $4.49 25% off with code THRIFT25
33% off estimated retailView Product: all in motion Active Tank
all in motion
Active Tank
Size Small youth
$7.99 $5.99 25% off with code THRIFT25
50% off estimated retailView Product: Nike Pullover Hoodie
Nike
Pullover Hoodie
Size X-Small youth
$26.99 $20.24 25% off with code THRIFT25
50% off estimated retailView Product: Volcom Short Sleeve T-Shirt
Volcom
Short Sleeve T-Shirt
Size Large kids
$9.99 $7.49 25% off with code THRIFT25
63% off estimated retailView Product: Spyder Pullover Hoodie
Spyder
Pullover Hoodie
Size Large youth
$36.99 $27.74 25% off with code THRIFT25
72% off estimated retailView Product: Spyder Pullover Hoodie
Spyder
Pullover Hoodie
Size X-Large kids
$24.99 $18.74 25% off with code THRIFT25
69% off estimated retailView Product: Assorted Brands Short Sleeve Button-Down Shirt
Assorted Brands
Short Sleeve Button-Down Shirt
Size 10
$12.99 $9.74 25% off with code THRIFT25
60% off estimated retailView Product: Tommy Hilfiger Short Sleeve T-Shirt
Tommy Hilfiger
Short Sleeve T-Shirt
Size 3T
$9.99 $7.49 25% off with code THRIFT25
55% off estimated retailView Product: Simple Joys by Carter's Sweatshirt
Simple Joys by Carter's
Sweatshirt
Size 2T
$9.99 $7.49 25% off with code THRIFT25
33% off estimated retailView Product: Kids Headquarters Long Sleeve T-Shirt
Kids Headquarters
Long Sleeve T-Shirt
Size 2T
$5.99 $4.49 25% off with code THRIFT25
14% off estimated retailView Product: Crewcuts Outlet Short Sleeve T-Shirt
Crewcuts Outlet
Short Sleeve T-Shirt
Size 10
$6.99 $5.24 25% off with code THRIFT25
56% off estimated retailView Product: The Children's Place Short Sleeve T-Shirt
The Children's Place
Short Sleeve T-Shirt
Size 5
$5.99 $4.49 25% off with code THRIFT25
62% off estimated retailView Product: The Children's Place Long Sleeve T-Shirt
The Children's Place
Long Sleeve T-Shirt
Size 5
$7.99 $5.99 25% off with code THRIFT25
50% off estimated retailView Product: Crewcuts Outlet Long Sleeve T-Shirt
Crewcuts Outlet
Long Sleeve T-Shirt
Size 8
$7.99 $5.99 25% off with code THRIFT25
50% off estimated retailView Product: Crewcuts Outlet Short Sleeve Polo
Crewcuts Outlet
Short Sleeve Polo
Size 8
$10.99 $8.24 25% off with code THRIFT25
56% off estimated retailView Product: Adidas Active T-Shirt
Adidas
Active T-Shirt
Size Medium kids
$30.99 $23.24 25% off with code THRIFT25
24% off estimated retailView Product: Vintage Long Sleeve Polo
Vintage
Long Sleeve Polo
Size Small kids
$9.99 $7.49 25% off with code THRIFT25
28% off estimated retailView Product: Nike Active T-Shirt
Nike
Active T-Shirt
Size X-Small youth
$18.99 $14.24 25% off with code THRIFT25
53% off estimated retailView Product: Polo by Ralph Lauren Long Sleeve Polo
Polo by Ralph Lauren
Long Sleeve Polo
Size 5
$16.99 $12.74 25% off with code THRIFT25
59% off estimated retailView Product: Ralph Lauren Long Sleeve Button-Down Shirt
Ralph Lauren
Long Sleeve Button-Down Shirt
Size 7
$20.99 $15.74 25% off with code THRIFT25
67% off estimated retailView Product: West Ham United Short Sleeve T-Shirt
West Ham United
Short Sleeve T-Shirt
Size 12
$8.99 $6.74 25% off with code THRIFT25
35% off estimated retailView Product: Harry Potter Short Sleeve T-Shirt
Harry Potter
Short Sleeve T-Shirt
Size Medium kids
$8.99 $6.74 25% off with code THRIFT25
18% off estimated retailView Product: Primary Clothing Pullover Hoodie
Primary Clothing
Pullover Hoodie
Size 4
$14.99 $11.24 25% off with code THRIFT25
66% off estimated retailView Product: Baby Gap Long Sleeve Button-Down Shirt
Baby Gap
Long Sleeve Button-Down Shirt
Size 4
$12.99 $9.74 25% off with code THRIFT25
51% off estimated retailView Product: Tommy Bahama Short Sleeve T-Shirt
Tommy Bahama
Short Sleeve T-Shirt
Size 10
$8.99 $6.74 25% off with code THRIFT25
66% off estimated retailView Product: Under Armour Short Sleeve Polo
Under Armour
Short Sleeve Polo
Size Large youth
$22.99 $17.24 25% off with code THRIFT25
43% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size X-Large youth
$21.99 $16.49 25% off with code THRIFT25
46% off estimated retailView Product: Hanna Andersson Long Sleeve T-Shirt
Hanna Andersson
Long Sleeve T-Shirt
Size 6
$12.99 $9.74 25% off with code THRIFT25
38% off estimated retailView Product: Crewcuts Outlet Pullover Sweater
Crewcuts Outlet
Pullover Sweater
Size 12
$16.99 $12.74 25% off with code THRIFT25
58% off estimated retailView Product: Mojang Short Sleeve T-Shirt
Mojang
Short Sleeve T-Shirt
Size Small kids
$12.99 $9.74 25% off with code THRIFT25
27% off estimated retailView Product: Instant Message Short Sleeve T-Shirt
Instant Message
Short Sleeve T-Shirt
Size Small kids
$11.99 $8.99 25% off with code THRIFT25
33% off estimated retailView Product: Hanna Andersson Long Sleeve Button-Down Shirt
Hanna Andersson
Long Sleeve Button-Down Shirt
Size 6
$13.99 $10.49 25% off with code THRIFT25
67% off estimated retailView Product: Janie and Jack Short Sleeve Polo
Janie and Jack
Short Sleeve Polo
Size 7
$11.99 $8.99 25% off with code THRIFT25
57% off estimated retailView Product: Janie and Jack Short Sleeve Polo
Janie and Jack
Short Sleeve Polo
Size 7
$12.99 $9.74 25% off with code THRIFT25
53% off estimated retailView Product: Under Armour Pullover Hoodie
Under Armour
Pullover Hoodie
Size Medium youth
$22.99 $17.24 25% off with code THRIFT25
48% off estimated retailView Product: Polo by Ralph Lauren Short Sleeve Button-Down Shirt
Polo by Ralph Lauren
Short Sleeve Button-Down Shirt
Size 14
$14.99 $11.24 25% off with code THRIFT25
64% off estimated retailView Product: Under Armour Short Sleeve T-Shirt
Under Armour
Short Sleeve T-Shirt
Size X-Small youth
$11.99 $8.99 25% off with code THRIFT25
55% off estimated retailView Product: Under Armour Short Sleeve Polo
Under Armour
Short Sleeve Polo
Size Medium youth
$20.99 $15.74 25% off with code THRIFT25
48% off estimated retailView Product: Assorted Brands Short Sleeve Button-Down Shirt
Assorted Brands
Short Sleeve Button-Down Shirt
Size 2
$7.99 $5.99 25% off with code THRIFT25
63% off estimated retail