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Boys' Shirts & Tops

275 Items

Project Rock Brahman

Project Rock Brahman
Boys' Short Sleeve

Original price: $30, Sale price: $14.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Rival Heavyweight

UA Rival Heavyweight
Boys' T-Shirt Hoodie

Original price: $35, Sale price: $29.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Tech™ Stacked Logo

UA Tech™ Stacked Logo
Little Boys' Short Sleeve

Original price: $20, Sale price: $16.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Drive Jacquard

UA Drive Jacquard
Boys' Polo

Original price: $45, Sale price: $37.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Playoff Printed
New Colors

UA Playoff Printed
Boys' Polo

Original price: $45, Sale price: $37.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Tech™ Utility

UA Tech™ Utility
Boys' Short Sleeve

Original price: $30, Sale price: $25.97
Extra 30% Off Outlet Use Code SEMIANNUAL
Project Rock Respect

Project Rock Respect
Boys' Short Sleeve

Original price: $30, Sale price: $14.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Gone Dark

UA Gone Dark
Boys' Short Sleeve

Original price: $20, Sale price: $16.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Tech™ Baseball Field

UA Tech™ Baseball Field
Little Boys' Short Sleeve

Original price: $20, Sale price: $16.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Tech™ Textured
New Colors

UA Tech™ Textured
Boys' Short Sleeve

Original price: $20, Sale price: $16.97
Limited Time: 2 for $30
UA Logo Locker

UA Logo Locker
Little Boys' Short Sleeve

Original price: $20, Sale price: $16.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Freedom Military

UA Freedom Military
Boys' Short Sleeve

Original price: $20, Sale price: $14.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Baseball Short Sleeve
new

UA Baseball Short Sleeve
Boys' Hoodie

Original price: $40, Sale price: $33.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Tech™ Split Logo Hybrid
Best Seller

UA Tech™ Split Logo Hybrid
Boys' Short Sleeve

Original price: $20, Sale price: $15.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Matchplay Stripe

UA Matchplay Stripe
Little Boys' Polo

Original price: $32, Sale price: $26.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Portal Logo

UA Portal Logo
Boys' Short Sleeve

Original price: $20, Sale price: $16.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Tech™ Logo Fill

UA Tech™ Logo Fill
Little Boys' Short Sleeve

Original price: $20, Sale price: $16.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Tech™ Rye Collegiate

UA Tech™ Rye Collegiate
Kids' Short Sleeve

Original price: $40, Sale price: $33.97
Extra 30% Off Outlet Use Code SEMIANNUAL
Project Rock Logo Printed

Project Rock Logo Printed
Boys' Short Sleeve

Original price: $35, Sale price: $17.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Tech™ Bring The Hype

UA Tech™ Bring The Hype
Little Boys' Short Sleeve

Original price: $20, Sale price: $16.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Tech™ Mitt

UA Tech™ Mitt
Little Boys' Short Sleeve

Original price: $20, Sale price: $14.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Tech™ Vent Geode
new

UA Tech™ Vent Geode
Boys' Short Sleeve

Original price: $35, Sale price: $26.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Deep Ocean Camo UPF

UA Deep Ocean Camo UPF
Boys' Long Sleeve

Original price: $38, Sale price: $31.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Rave Logo

UA Rave Logo
Little Boys' Short Sleeve

Original price: $20, Sale price: $16.97
Extra 30% Off Outlet Use Code SEMIANNUAL

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.