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Boys' Shirts & Tops

217 Items

UA Big Win Flag

UA Big Win Flag
Kids' Jersey

Price: $28
UA Printed Microfleece
new

UA Printed Microfleece
Little Boys' ½ Snap Collar Pullover

Price: $44
Curry Trend

Curry Trend
Boys' T-Shirt

Price: $30
UA Football
new

UA Football
Little Boys' Long Sleeve

Price: $24
UA Matchplay Twist
new

UA Matchplay Twist
Toddler Boys' Polo

Price: $30
UA Command 2.0

UA Command 2.0
Boys' Warm-Up Full-Zip

Price: $60
UA Wordmark Tech

UA Wordmark Tech
Toddler Boys' Short Sleeve

Price: $20
UA Sportstyle Logo

UA Sportstyle Logo
Little Boys' Short Sleeve

Price: $25
UA HD Logo Twist Tech
new

UA HD Logo Twist Tech
Toddler Boys' Long Sleeve

Price: $24
UA Rival Stretch Woven

UA Rival Stretch Woven
Boys' Full-Zip

Price: $55
UA Logo Football
new

UA Logo Football
Little Boys' Short Sleeve

Price: $20
UA Rival Terry
new

UA Rival Terry
Toddler Boys' Rugby Shirt

Price: $44
UA Athletic Department

UA Athletic Department
Little Boys' Short Sleeve

Price: $20
UA Wordmark Tech

UA Wordmark Tech
Little Boys' Short Sleeve

Price: $20
UA Matchplay Printed
new

UA Matchplay Printed
Toddler Boys' Polo

Price: $32
UA Varsity Logo
new

UA Varsity Logo
Little Boys' Long Sleeve

Price: $24
UA Baseball Hustle

UA Baseball Hustle
Boys' Short Sleeve

Price: $20
UA Logo Football
new

UA Logo Football
Toddler Boys' Short Sleeve

Price: $20
UA Matchplay Stripe
new

UA Matchplay Stripe
Infant Boys' Polo

Price: $30
UA Rival Terry

UA Rival Terry
Little Boys' Rugby Shirt

Price: $44
UA Matchplay Twist
new

UA Matchplay Twist
Infant Boys' Polo

Price: $28
UA Varsity Logo
new

UA Varsity Logo
Toddler Boys' Long Sleeve

Price: $24
UA Tech™ Big Logo

UA Tech™ Big Logo
Little Boys' Short Sleeve

Price: $20
UA Bench Warmer
new

UA Bench Warmer
Little Boys' Short Sleeve

Price: $20

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.