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Boys' Shirts & Tops

275 Items

UA Freedom Big Logo

UA Freedom Big Logo
Boys' Short Sleeve

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

UA Baseball Freedom
Boys' Short Sleeve

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

UA Baseball Illustrated
Boys' Short Sleeve

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

UA Tech™ Game Day
Boys' Sleeveless

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

UA Baseball Dingers
Boys' Short Sleeve

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

UA Tech™ Game Day
Boys' Short Sleeve

Original price: $20, Sale price: $16.97
Limited Time: 2 for $30
UA Freedom Left Chest

UA Freedom Left Chest
Boys' Short Sleeve

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

UA Freedom Eagle
Boys' Short Sleeve

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

UA Peace Love UA
Boys' Short Sleeve

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

HeatGear® Printed
Boys' Short Sleeve

Original price: $28, Sale price: $13.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Summer Graphic

UA Summer Graphic
Boys' Short Sleeve

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

UA Freedom Fun Eagle
Boys' Short Sleeve

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

UA Out Of Here
Boys' Baseball Short Sleeve

Original price: $20, Sale price: $16.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA All-Over Logo

UA All-Over Logo
Boys' Short Sleeve

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

UA Performance Printed
Boys' Polo

Original price: $35, Sale price: $31.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Hoops Next

UA Hoops Next
Boys' Short Sleeve

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

UA Freedom Flag
Little Boys' Short Sleeve

Original price: $25, Sale price: $20.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Baseball Plate
New Colors

UA Baseball Plate
Boys' Short Sleeve

Original price: $25, Sale price: $18.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Freedom Bass

UA Freedom Bass
Little Boys' Short Sleeve

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

UA Basketball Winter
Boys' Short Sleeve

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

UA Tech™ Branded
Boys' Short Sleeve

Original price: $20, Sale price: $14.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Step Up Baseball

UA Step Up Baseball
Little Boys' Short Sleeve

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

UA Rival
Boys' T-Shirt Hoodie

Original price: $30, Sale price: $25.97
Extra 30% Off Outlet Use Code SEMIANNUAL
UA Gradient UPF

UA Gradient UPF
Boys' Long Sleeve

Original price: $38, Sale price: $31.97
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.