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Boys' Shirts & Tops

286 Items

UA Big Win Flag

UA Big Win Flag
Kids' Jersey

Price: $28
UA Printed

UA Printed
Little Girls' Leggings Set

Price: $42
UA Core Logo Twist Tech

UA Core Logo Twist Tech
Little Boys' Long Sleeve

Price: $24
UA Camp Logo

UA Camp Logo
Little Boys' Long Sleeve & Joggers Set

Price: $44
UA Core Baseball

UA Core Baseball
Little Boys' Long Sleeve

Price: $24
UA Tech

UA Tech
Infant Boys' Short Sleeve & Joggers Set

Price: $38
UA Gradient Logo

UA Gradient Logo
Little Boys' Long Sleeve & Joggers Set

Price: $44
UA Mountain Top Logo

UA Mountain Top Logo
Boys' Short Sleeve

Price: $22
UA Tech

UA Tech
Little Boys' Short Sleeve & Joggers Set

Price: $42
UA Logo Football

UA Logo Football
Little Boys' Short Sleeve

Price: $20
UA MVP Energy Tech

UA MVP Energy Tech
Little Boys' Long Sleeve

Price: $24
UA Bear Fishing

UA Bear Fishing
Little Boys' Long Sleeve & Joggers Set

Price: $44
UA Logo Frame Twist Tech

UA Logo Frame Twist Tech
Little Boys' Long Sleeve

Price: $24
UA Freedom Flag

UA Freedom Flag
Little Boys' Short Sleeve & Joggers Set

Price: $42
UA HD Logo Twist Tech

UA HD Logo Twist Tech
Little Boys' Long Sleeve

Price: $24
UA Rival Terry

UA Rival Terry
Toddler Boys' Rugby Shirt

Price: $44
UA Printed Microfleece

UA Printed Microfleece
Little Boys' ½ Snap Collar Pullover

Price: $44
UA Matchplay Printed

UA Matchplay Printed
Little Boys' Polo

Price: $32
UA Logo Frame Twist Tech

UA Logo Frame Twist Tech
Toddler Boys' Long Sleeve

Price: $24
UA Polo Tech

UA Polo Tech
Toddler Boys' Shorts Set

Price: $40
UA Stripe Polo

UA Stripe Polo
Newborn Boys' Coverall

Price: $28
UA Printed Stripe

UA Printed Stripe
Toddler Boys' Short Sleeve

Price: $22
UA Matchplay Twist

UA Matchplay Twist
Toddler Boys' Polo

Price: $30
UA Tech™

UA Tech™
Little Boys' Short Sleeve & Joggers Set

Price: $42

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.