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Boys' Shirts & Tops

397 Items

HeatGear®
Best Seller

HeatGear®
Boys' Sleeveless

Price: $25
UA Varsity Logo
new

UA Varsity Logo
Boys' Short Sleeve

Price: $20
UA Rival Woven
new

UA Rival Woven
Boys' Jacket

Price: $50
UA Challenger

UA Challenger
Boys' Jersey

Price: $20
UA Fish Species Camo UPF

UA Fish Species Camo UPF
Boys' Long Sleeve

Price: $38
UA Classic

UA Classic
Boys' ¾ Baseball Raglan

Price: $12
UA Utility
new

UA Utility
Boys' Short Sleeve Hoodie

Price: $45
UA Tech™ Team
new

UA Tech™ Team
Boys' Long Sleeve

Price: $28
UA Icon Fleece
new

UA Icon Fleece
Boys' Button-Down Hoodie

Price: $55
UA Astro Hoops
new

UA Astro Hoops
Boys' Short Sleeve

Price: $20
UA Matchplay Twist

UA Matchplay Twist
Little Boys' Polo

Price: $30
Curry Trend
new

Curry Trend
Boys' T-Shirt

Price: $30
Armour Fleece® Starlight Logo
new

Armour Fleece® Starlight Logo
Boys' Hoodie

Price: $40
UA Bass

UA Bass
Boys' Short Sleeve

Price: $22
UA Hockey
new

UA Hockey
Boys' Short Sleeve

Price: $20
UA College Crest Logo
new

UA College Crest Logo
Boys' Short Sleeve

Price: $20
UA Stacked Logo

UA Stacked Logo
Boys' Short Sleeve

Price: $22
UA Hoops Branded
new

UA Hoops Branded
Boys' Short Sleeve

Price: $20
UA Tech™ Big Logo Printed
Best Seller

UA Tech™ Big Logo Printed
Boys' Short Sleeve

Price: $25
Limited Time: 2 for $40
UA Unstoppable Fleece
new

UA Unstoppable Fleece
Boys' Full-Zip

Price: $80
Curry Splash Wordmark
new

Curry Splash Wordmark
Boys' T-Shirt

Price: $30
UA Freedom Military
new

UA Freedom Military
Boys' T-Shirt

Price: $20
UA Hoops Glass
new

UA Hoops Glass
Boys' Short Sleeve

Price: $20
UA Challenger Training
new

UA Challenger Training
Boys' ¼ Zip

Price: $55

Game-Changing Boys’ Tops

Under Armour changed the game by swapping out heavy, sweat-drenched T-shirts for ones that wicked sweat, dried fast, and stayed light so they wouldn’t weigh you down. From our HeatGear® baselayers to polos, to sweatshirts, our boys’ tops keep you comfortable and focused on your game and training. We make boys’ shirts for every sport. Tank tops for summer pickup games. Long sleeve shirts for boys, good for cool morning practices. Hoodies for boys that are perfect for between-season training, or just hanging out with friends. Plus, baselayers to wear under uniforms, and even graphic T’s that represent the work you’re putting in day in and day out to be better.

When you train, it’s the little details that make a difference. Correct form on a lift. Proper footing on the field.. With boys’ Under Armour shirts, it’s the details that make them pop. Check out boys’ workout shirts with UA Tech™ fabric that’s made to stay light, loose, and keep you cool with a natural feel. Other options with ColdGear® or HeatGear® help you stay warm in the cold and cool in the heat, serving as the perfect baselayer under your gear.

Get the classic feeling of fleece, just better. Hoodies for boys with Armour Fleece® are our original replacement for that old-school fleece. They’re light, incredibly warm, and stretch so you can move comfortably. Pair your long sleeve shirts for boys and other boys’ workout shirts with lightweight shorts or joggers and sweatpants. And, check out accessories like boys’ socks that help keep your feet cool and dry even during the hardest workouts.