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.
416 items
Sort by:
View Product: Florence Eiseman Short Sleeve Polo
Florence Eiseman
Short Sleeve Polo
Size 4
$25.99 $18.19 30% off with code HOTDEAL
77% off estimated retailView Product: Tommy Hilfiger Long Sleeve Button-Down Shirt
Tommy Hilfiger
Long Sleeve Button-Down Shirt
Size 16
$16.99 $13.59 20% off with code HOTDEAL
74% off estimated retailView Product: Ike Behar Long Sleeve Button-Down Shirt
Ike Behar
Long Sleeve Button-Down Shirt
Size 16
$16.99 $13.59 20% off with code HOTDEAL
68% off estimated retailView Product: Samgami Baby Long Sleeve Button-Down Shirt
Samgami Baby
Long Sleeve Button-Down Shirt
Size 120 cm
$16.99 $13.59 20% off with code HOTDEAL
54% off estimated retailView Product: Zara Baby Long Sleeve Button-Down Shirt
Zara Baby
Long Sleeve Button-Down Shirt
Size 3
$18.99 $15.19 20% off with code HOTDEAL
55% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Small youth
$19.99 $14.99 25% off with code HOTDEAL
56% off estimated retailView Product: Unbranded Long Sleeve Button-Down Shirt
Unbranded
Long Sleeve Button-Down Shirt
Size 10
$15.99 $12.79 20% off with code HOTDEAL
63% off estimated retailView Product: Ragazzo Uomo Long Sleeve Button-Down Shirt
Ragazzo Uomo
Long Sleeve Button-Down Shirt
Size 8
$16.99 $13.59 20% off with code HOTDEAL
76% off estimated retailView Product: Vineyard Vines Long Sleeve T-Shirt
Vineyard Vines
Long Sleeve T-Shirt
Size 16
$20.99 $13.64 35% off with code HOTDEAL
40% off estimated retailView Product: Lito Long Sleeve Button-Down Shirt
Lito
Long Sleeve Button-Down Shirt
Size 4T
$11.99 $9.59 20% off with code HOTDEAL
38% off estimated retailView Product: Assorted Brands Short Sleeve T-Shirt
Assorted Brands
Short Sleeve T-Shirt
Size 150 cm
$8.99 $7.19 20% off with code HOTDEAL
63% off estimated retailView Product: Polo by Ralph Lauren Pullover Hoodie
Polo by Ralph Lauren
Pullover Hoodie
Size 12
$17.99 $12.59 30% off with code HOTDEAL
67% off estimated retailView Product: Egg New York Short Sleeve Button-Down Shirt
Egg New York
Short Sleeve Button-Down Shirt
Size 8
$26.99 $18.89 30% off with code HOTDEAL
77% off estimated retailView Product: Amazon Essentials Zip Up Hoodie
Amazon Essentials
Zip Up Hoodie
Size 3T
$12.99 $10.39 20% off with code HOTDEAL
52% off estimated retailView Product: Catimini Long Sleeve Button-Down Shirt
Catimini
Long Sleeve Button-Down Shirt
Size 18 mo
$20.99 $15.74 25% off with code HOTDEAL
76% off estimated retailView Product: Perry Ellis Short Sleeve Polo
Perry Ellis
Short Sleeve Polo
Size Medium kids
$13.99 $10.49 25% off with code HOTDEAL
70% off estimated retailView Product: FLOW SOCIETY Short Sleeve T-Shirt
FLOW SOCIETY
Short Sleeve T-Shirt
Size Small youth
$10.99 $8.79 20% off with code HOTDEAL
66% off estimated retailView Product: Lida California Long Sleeve Button-Down Shirt
Lida California
Long Sleeve Button-Down Shirt
Size 5
$11.99 $8.99 25% off with code HOTDEAL
75% off estimated retailView Product: Bella Bliss Long Sleeve Turtleneck
Bella Bliss
Long Sleeve Turtleneck
Size 2
$12.99 $9.74 25% off with code HOTDEAL
66% off estimated retailView Product: Standard Textile Long Sleeve Button-Down Shirt
Standard Textile
Long Sleeve Button-Down Shirt
Size 6 mo
$7.99 $6.39 20% off with code HOTDEAL
53% off estimated retailView Product: Vineyard Vines Long Sleeve T-Shirt
Vineyard Vines
Long Sleeve T-Shirt
Size 6
$20.99 $11.54 45% off with code HOTDEAL
40% off estimated retailView Product: 191 Unlimited Long Sleeve Button-Down Shirt
191 Unlimited
Long Sleeve Button-Down Shirt
Size Small youth
$21.99 $15.39 30% off with code HOTDEAL
70% off estimated retailView Product: Cole By Sweet Kids Long Sleeve Button-Down Shirt
Cole By Sweet Kids
Long Sleeve Button-Down Shirt
Size 6
$11.99 $8.99 25% off with code HOTDEAL
50% off estimated retailView Product: Vineyard Vines Long Sleeve Polo
Vineyard Vines
Long Sleeve Polo
Size 16
$24.99 $19.99 20% off with code HOTDEAL
53% off estimated retailView Product: Marvel Pullover Hoodie
Marvel
Pullover Hoodie
Size Small youth
$25.99 $18.19 30% off with code HOTDEAL
52% off estimated retailView Product: Ralph Lauren Long Sleeve Button-Down Shirt
Ralph Lauren
Long Sleeve Button-Down Shirt
Size 4
$17.99 $14.39 20% off with code HOTDEAL
76% off estimated retailView Product: Special Occasions Short Sleeve Button-Down Shirt
Special Occasions
Short Sleeve Button-Down Shirt
Size 3-6 mo
$9.99 $7.99 20% off with code HOTDEAL
43% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size X-Large youth
$20.99 $15.74 25% off with code HOTDEAL
58% off estimated retailView Product: Tommy Hilfiger Long Sleeve Button-Down Shirt
Tommy Hilfiger
Long Sleeve Button-Down Shirt
Size 24 mo
$13.99 $11.19 20% off with code HOTDEAL
66% off estimated retailView Product: Ralph Lauren Long Sleeve Button-Down Shirt
Ralph Lauren
Long Sleeve Button-Down Shirt
Size 6
$20.99 $16.79 20% off with code HOTDEAL
73% off estimated retailView Product: Crazy 8 Short Sleeve Button-Down Shirt
Crazy 8
Short Sleeve Button-Down Shirt
Size 5
$13.99 $11.19 20% off with code HOTDEAL
42% off estimated retailView Product: Tommy Jeans Pullover Hoodie
Tommy Jeans
Pullover Hoodie
Size Large youth
$11.99 $9.59 20% off with code HOTDEAL
54% off estimated retailView Product: Crewcuts Long Sleeve Button-Down Shirt
Crewcuts
Long Sleeve Button-Down Shirt
Size 4
$23.99 $19.19 20% off with code HOTDEAL
63% off estimated retailView Product: Hanna Andersson Long Sleeve Button-Down Shirt
Hanna Andersson
Long Sleeve Button-Down Shirt
Size 6-12 mo
$13.99 $11.19 20% off with code HOTDEAL
64% off estimated retailView Product: Rachel Zoe Short Sleeve Henley
Rachel Zoe
Short Sleeve Henley
Size 3-6 mo
$50.99 $40.79 20% off with code HOTDEAL
58% off estimated retailView Product: Angel Dear Long Sleeve T-Shirt
Angel Dear
Long Sleeve T-Shirt
Size 0-3 mo
$11.99 $9.59 20% off with code HOTDEAL
33% off estimated retailView Product: Primary Clothing Long Sleeve Button-Down Shirt
Primary Clothing
Long Sleeve Button-Down Shirt
Size 4
$18.99 $14.24 25% off with code HOTDEAL
64% off estimated retailView Product: The Little White Company Pullover Sweater
The Little White Company
Pullover Sweater
Size 12-18 mo
$11.99 $9.59 20% off with code HOTDEAL
69% off estimated retailView Product: Comfort Short Sleeve T-Shirt
Comfort
Short Sleeve T-Shirt
Size Small youth
$6.99 $5.59 20% off with code HOTDEAL
45% off estimated retailView Product: Marie Chantal Short Sleeve T-Shirt
Marie Chantal
Short Sleeve T-Shirt
Size 10
$93.99 $47.00 50% off with code HOTDEAL
57% off estimated retailView Product: Gap Kids Long Sleeve Button-Down Shirt
Gap Kids
Long Sleeve Button-Down Shirt
Size Small youth
$10.99 $8.79 20% off with code HOTDEAL
70% off estimated retailView Product: LAT Short Sleeve T-Shirt
LAT
Short Sleeve T-Shirt
Size Small youth
$6.99 $5.59 20% off with code HOTDEAL
45% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size X-Small youth
$21.99 $15.39 30% off with code HOTDEAL
56% off estimated retailView Product: Petit Bateau Short Sleeve T-Shirt
Petit Bateau
Short Sleeve T-Shirt
Size 8
$13.99 $11.19 20% off with code HOTDEAL
63% off estimated retailView Product: First Impressions Long Sleeve Button-Down Shirt
First Impressions
Long Sleeve Button-Down Shirt
Size 18 mo
$11.99 $9.59 20% off with code HOTDEAL
72% off estimated retailView Product: Hannah Kate Short Sleeve Button-Down Shirt
Hannah Kate
Short Sleeve Button-Down Shirt
Size 18 mo
$11.99 $8.39 30% off with code HOTDEAL
66% off estimated retailView Product: Magellan Outdoors Active T-Shirt
Magellan Outdoors
Active T-Shirt
Size 16
$13.99 $11.19 20% off with code HOTDEAL
25% off estimated retailView Product: Unbranded Short Sleeve T-Shirt
Unbranded
Short Sleeve T-Shirt
Size Medium youth
$12.99 $10.39 20% off with code HOTDEAL
45% off estimated retailView Product: Carter's Long Sleeve T-Shirt
Carter's
Long Sleeve T-Shirt
Size Newborn
$10.99 $8.79 20% off with code HOTDEAL
47% off estimated retailView Product: H&M Short Sleeve Button-Down Shirt
H&M
Short Sleeve Button-Down Shirt
Size 4
$8.99 $7.19 20% off with code HOTDEAL
27% off estimated retailView Product: Cut by 2Blondes Long Sleeve Button-Down Shirt
Cut by 2Blondes
Long Sleeve Button-Down Shirt
Size Small kids
$16.99 $10.19 40% off with code HOTDEAL
66% off estimated retailView Product: Fancy Baby Long Sleeve Button-Down Shirt
Fancy Baby
Long Sleeve Button-Down Shirt
Size 6 mo
$8.99 $7.19 20% off with code HOTDEAL
46% off estimated retailView Product: Brooks Short Sleeve T-Shirt
Brooks
Short Sleeve T-Shirt
Size Small youth
$12.99 $9.09 30% off with code HOTDEAL
69% off estimated retailView Product: Baker by Ted Baker Short Sleeve T-Shirt
Baker by Ted Baker
Short Sleeve T-Shirt
Size 3-6 mo
$12.99 $10.39 20% off with code HOTDEAL
38% off estimated retailView Product: Bonpoint Long Sleeve Button-Down Shirt
Bonpoint
Long Sleeve Button-Down Shirt
Size 8
$53.99 $24.30 55% off with code HOTDEAL
79% off estimated retailView Product: Assorted Brands Short Sleeve T-Shirt
Assorted Brands
Short Sleeve T-Shirt
Size 14
$10.99 $7.14 35% off with code HOTDEAL
59% off estimated retailView Product: Monsoon Short Sleeve Button-Down Shirt
Monsoon
Short Sleeve Button-Down Shirt
Size 12-18 mo
$11.99 $7.79 35% off with code HOTDEAL
54% off estimated retailView Product: Marvel Short Sleeve T-Shirt
Marvel
Short Sleeve T-Shirt
Size Small kids
$12.99 $8.44 35% off with code HOTDEAL
38% off estimated retailView Product: John Varvatos Star U.S.A Short Sleeve Polo
John Varvatos Star U.S.A
Short Sleeve Polo
Size Small youth
$33.99 $11.90 65% off with code HOTDEAL
69% off estimated retailView Product: Bella Bliss Long Sleeve Button-Down Shirt
Bella Bliss
Long Sleeve Button-Down Shirt
Size 2
$16.99 $10.19 40% off with code HOTDEAL
68% off estimated retail