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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: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Medium youth
$18.99 $13.29 30% off with code SHINE
53% off estimated retailView Product: Vineyard Vines Long Sleeve Button-Down Shirt
Vineyard Vines
Long Sleeve Button-Down Shirt
Size 6
$22.99 $13.79 40% off with code SHINE
58% off estimated retailView Product: Isaac Mizrahi New York Long Sleeve Button-Down Shirt
Isaac Mizrahi New York
Long Sleeve Button-Down Shirt
Size 14
$13.99 $8.39 40% off with code SHINE
75% off estimated retailView Product: Vineyard Vines Long Sleeve T-Shirt
Vineyard Vines
Long Sleeve T-Shirt
Size 18
$15.99 $10.39 35% off with code SHINE
40% off estimated retailView Product: Polo by Ralph Lauren Short Sleeve Polo
Polo by Ralph Lauren
Short Sleeve Polo
Size 7
$14.99 $10.49 30% off with code SHINE
68% off estimated retailView Product: Assorted Brands Pullover Sweater
Assorted Brands
Pullover Sweater
Size 120 cm
$16.99 $11.89 30% off with code SHINE
69% off estimated retailView Product: Bonpoint Long Sleeve Button-Down Shirt
Bonpoint
Long Sleeve Button-Down Shirt
Size 6 mo
$22.99 $14.94 35% off with code SHINE
89% off estimated retailView Product: Gap x Disney Pullover Hoodie
Gap x Disney
Pullover Hoodie
Size Large kids
$20.99 $14.69 30% off with code SHINE
67% off estimated retailView Product: Under Armour Pullover Hoodie
Under Armour
Pullover Hoodie
Size Medium youth
$19.99 $12.99 35% off with code SHINE
63% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Large youth
$17.99 $12.59 30% off with code SHINE
56% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size X-Large youth
$16.99 $11.89 30% off with code SHINE
58% off estimated retailView Product: Polo by Ralph Lauren Long Sleeve Button-Down Shirt
Polo by Ralph Lauren
Long Sleeve Button-Down Shirt
Size Large youth
$12.99 $10.39 20% off with code SHINE
75% off estimated retailView Product: Ralph Lauren Sport Long Sleeve Button-Down Shirt
Ralph Lauren Sport
Long Sleeve Button-Down Shirt
Size 6
$19.99 $14.99 25% off with code SHINE
77% off estimated retailView Product: Under Armour Pullover Hoodie
Under Armour
Pullover Hoodie
Size X-Large youth
$21.99 $14.29 35% off with code SHINE
60% off estimated retailView Product: First Wave Long Sleeve Button-Down Shirt
First Wave
Long Sleeve Button-Down Shirt
Size 8
$12.99 $10.39 20% off with code SHINE
40% off estimated retailView Product: Hanna Andersson Long Sleeve Button-Down Shirt
Hanna Andersson
Long Sleeve Button-Down Shirt
Size 5
$18.99 $13.29 30% off with code SHINE
59% off estimated retailView Product: Under Armour Sweatshirt
Under Armour
Sweatshirt
Size Medium youth
$24.99 $16.24 35% off with code SHINE
54% off estimated retailView Product: Under Armour Pullover Hoodie
Under Armour
Pullover Hoodie
Size Large youth
$24.99 $16.24 35% off with code SHINE
54% off estimated retailView Product: Ivy City Co. Long Sleeve Button-Down Shirt
Ivy City Co.
Long Sleeve Button-Down Shirt
Size 6
$19.99 $13.99 30% off with code SHINE
69% off estimated retailView Product: Under Armour Pullover Hoodie
Under Armour
Pullover Hoodie
Size X-Large youth
$24.99 $16.24 35% off with code SHINE
54% off estimated retailView Product: Under Armour Pullover Hoodie
Under Armour
Pullover Hoodie
Size Medium youth
$21.99 $14.29 35% off with code SHINE
60% off estimated retailView Product: Nordstrom Long Sleeve Button-Down Shirt
Nordstrom
Long Sleeve Button-Down Shirt
Size 8
$17.99 $14.39 20% off with code SHINE
67% off estimated retailView Product: Polo by Ralph Lauren Long Sleeve Button-Down Shirt
Polo by Ralph Lauren
Long Sleeve Button-Down Shirt
Size 3
$13.99 $11.19 20% off with code SHINE
73% off estimated retailView Product: Ralph Lauren Long Sleeve Button-Down Shirt
Ralph Lauren
Long Sleeve Button-Down Shirt
Size 24 mo
$16.99 $12.74 25% off with code SHINE
73% off estimated retailView Product: Polo by Ralph Lauren Zip Up Hoodie
Polo by Ralph Lauren
Zip Up Hoodie
Size 4T
$14.99 $11.24 25% off with code SHINE
66% off estimated retailView Product: Volcom Long Sleeve Button-Down Shirt
Volcom
Long Sleeve Button-Down Shirt
Size 4T
$16.99 $12.74 25% off with code SHINE
62% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size X-Large youth
$16.99 $11.89 30% off with code SHINE
58% off estimated retailView Product: Hanna Andersson Zip Up Hoodie
Hanna Andersson
Zip Up Hoodie
Size 6-12 mo
$20.99 $13.64 35% off with code SHINE
56% off estimated retailView Product: Hanna Andersson Pullover Sweater
Hanna Andersson
Pullover Sweater
Size 3-6 mo
$22.99 $14.94 35% off with code SHINE
57% off estimated retailView Product: Me and Henry Long Sleeve Button-Down Shirt
Me and Henry
Long Sleeve Button-Down Shirt
Size 8
$12.99 $9.74 25% off with code SHINE
80% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Small youth
$14.99 $10.49 30% off with code SHINE
63% off estimated retailView Product: Quiksilver Long Sleeve Button-Down Shirt
Quiksilver
Long Sleeve Button-Down Shirt
Size 16
$16.99 $12.74 25% off with code SHINE
61% off estimated retailView Product: Janie and Jack Long Sleeve Button-Down Shirt
Janie and Jack
Long Sleeve Button-Down Shirt
Size 2T
$14.99 $11.99 20% off with code SHINE
61% off estimated retailView Product: Janie and Jack Long Sleeve Button-Down Shirt
Janie and Jack
Long Sleeve Button-Down Shirt
Size 3
$13.99 $11.19 20% off with code SHINE
64% off estimated retailView Product: L.L.Bean Long Sleeve Button-Down Shirt
L.L.Bean
Long Sleeve Button-Down Shirt
Size 14
$16.99 $12.74 25% off with code SHINE
61% off estimated retailView Product: Ben Sherman Long Sleeve Button-Down Shirt
Ben Sherman
Long Sleeve Button-Down Shirt
Size 6
$14.99 $11.99 20% off with code SHINE
76% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Large youth
$19.99 $12.99 35% off with code SHINE
51% off estimated retailView Product: Majestic Active T-Shirt
Majestic
Active T-Shirt
Size Medium youth
$13.99 $11.19 20% off with code SHINE
57% off estimated retailView Product: Lands' End Pullover Sweater
Lands' End
Pullover Sweater
Size Medium youth
$18.99 $15.19 20% off with code SHINE
62% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Small youth
$18.99 $12.34 35% off with code SHINE
53% off estimated retailView Product: Hanna Andersson Pullover Sweater
Hanna Andersson
Pullover Sweater
Size 75 cm
$22.99 $14.94 35% off with code SHINE
57% off estimated retailView Product: Nest Organic Pullover Sweater
Nest Organic
Pullover Sweater
Size 12-18 mo
$15.99 $10.39 35% off with code SHINE
70% off estimated retailView Product: Assorted Brands Pullover Sweater
Assorted Brands
Pullover Sweater
Size Small kids
$15.99 $12.79 20% off with code SHINE
64% off estimated retailView Product: Kickee Pants Long Sleeve Button-Down Shirt
Kickee Pants
Long Sleeve Button-Down Shirt
Size 8
$14.99 $9.74 35% off with code SHINE
65% off estimated retailView Product: Petite Plume Long Sleeve Button-Down Shirt
Petite Plume
Long Sleeve Button-Down Shirt
Size 10
$17.99 $10.79 40% off with code SHINE
72% off estimated retailView Product: U.S. Polo Assn. Long Sleeve Button-Down Shirt
U.S. Polo Assn.
Long Sleeve Button-Down Shirt
Size 7
$14.99 $11.99 20% off with code SHINE
54% off estimated retailView Product: Under Armour Zip Up Hoodie
Under Armour
Zip Up Hoodie
Size X-Large youth
$24.99 $17.49 30% off with code SHINE
54% off estimated retailView Product: Sean John Long Sleeve Button-Down Shirt
Sean John
Long Sleeve Button-Down Shirt
Size 7
$15.99 $12.79 20% off with code SHINE
70% off estimated retailView Product: Crewcuts Long Sleeve Button-Down Shirt
Crewcuts
Long Sleeve Button-Down Shirt
Size 4
$14.99 $11.99 20% off with code SHINE
72% off estimated retailView Product: Under Armour Pullover Hoodie
Under Armour
Pullover Hoodie
Size X-Large youth
$21.99 $15.39 30% off with code SHINE
60% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Small youth
$12.99 $9.74 25% off with code SHINE
68% off estimated retailView Product: Sports Illustrated Zip Up Hoodie
Sports Illustrated
Zip Up Hoodie
Size Medium kids
$21.99 $13.19 40% off with code SHINE
60% off estimated retailView Product: Under Armour Sweatshirt
Under Armour
Sweatshirt
Size Medium youth
$21.99 $15.39 30% off with code SHINE
60% off estimated retailView Product: Crewcuts Long Sleeve Button-Down Shirt
Crewcuts
Long Sleeve Button-Down Shirt
Size 3
$14.99 $11.99 20% off with code SHINE
72% off estimated retailView Product: Hanna Andersson Long Sleeve Button-Down Shirt
Hanna Andersson
Long Sleeve Button-Down Shirt
Size 12
$20.99 $14.69 30% off with code SHINE
55% off estimated retailView Product: Under Armour Pullover Hoodie
Under Armour
Pullover Hoodie
Size Large youth
$22.99 $16.09 30% off with code SHINE
58% off estimated retailView Product: Ralph by Ralph Lauren Pullover Hoodie
Ralph by Ralph Lauren
Pullover Hoodie
Size Small kids
$14.99 $9.74 35% off with code SHINE
66% off estimated retailView Product: Under Armour Pullover Hoodie
Under Armour
Pullover Hoodie
Size Medium youth
$21.99 $15.39 30% off with code SHINE
60% off estimated retailView Product: Tommy Bahama Long Sleeve Button-Down Shirt
Tommy Bahama
Long Sleeve Button-Down Shirt
Size 10
$15.99 $12.79 20% off with code SHINE
70% off estimated retailView Product: Janie and Jack Long Sleeve Button-Down Shirt
Janie and Jack
Long Sleeve Button-Down Shirt
Size 2T
$13.99 $11.19 20% off with code SHINE
64% off estimated retailView Product: Ralph Lauren Long Sleeve Button-Down Shirt
Ralph Lauren
Long Sleeve Button-Down Shirt
Size 9 mo
$13.99 $11.19 20% off with code SHINE
76% off estimated retailView Product: Ralph Lauren Long Sleeve Button-Down Shirt
Ralph Lauren
Long Sleeve Button-Down Shirt
Size 10
$17.99 $13.49 25% off with code SHINE
71% off estimated retailView Product: Vineyard Vines Long Sleeve Button-Down Shirt
Vineyard Vines
Long Sleeve Button-Down Shirt
Size 4T
$15.99 $12.79 20% off with code SHINE
64% off estimated retailView Product: Under Armour Active T-Shirt
Under Armour
Active T-Shirt
Size Large youth
$16.99 $12.74 25% off with code SHINE
58% off estimated retailView Product: Under Armour Pullover Hoodie
Under Armour
Pullover Hoodie
Size Small youth
$18.99 $12.34 35% off with code SHINE
65% off estimated retailView Product: Nordstrom Long Sleeve Button-Down Shirt
Nordstrom
Long Sleeve Button-Down Shirt
Size 16
$14.99 $11.99 20% off with code SHINE
72% off estimated retail