Boys' Under Armour Apparel

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View 48 96 144
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300 Products

Learn More About Boys' Under Armour Apparel


Perform Like a Champion In Under Armour® Boys' Clothes

Watch him break boundaries in boys' Under Armour® gear.

Upgrade his athletic wardrobe with Under Armour®. He'll sprint past the competition in technical fabrics that support his performance. When the weather turns blustery, he'll keep warm in boys' cold compression clothes and ColdGear technology. In balmy temperatures, he'll beat the heat in feather-light Under Armour® T-shirts and gym shorts.

Energize his training in Under Armour® hoodies, tees and athletic pants in bold style, camo prints and bright hues.

Shop Under Armour in all sizes including Under Armour Little Boys Clothes (4-7) and Under Armour Boys Toddler Clothes (2T-4T).

Expert Advice

It's technology that sets Under Armour® gear apart from the rest.

From the gridiron to the classroom, suit him up in Under Armour®'s signature collection of technical fabrics. Under Armour® boys' clothing is engineered to work as hard as he does:

  • Under Armour® re-invented the cotton T-shirt. Dress him in Under Armour® Charged Cotton tees for the super-soft feel of cotton that dries faster and keeps him cooler
  • Under Armour ColdGear technology is perfect for chilly days. ColdGear baselayers deliver lightweight warmth and help regulate body temperature without added bulk
  • Under Armour® Infrared gear keeps him dry and fresh as he trains
  • Under Armour® Storm gear is your go-to during rainy weather. This innovative finish works to block and repel moisture
  • Under Armour® Catalyst clothing for boys is sleek, lightweight and completely comfortable. This apparel is designed with recycled plastic bottles, so you can take pride in his environmentally friendly gear

Outfit for every sport and season with UA's selection of versatile tees, hoodies, jackets and pants. Layer with sporty fleece zip-ups, cool down in lightweight tees and mix and match knit shorts sweatshirts and much more.