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Under Armour Boys' Apparel

Learn More About Boys' Under Armour Apparel


Perform Like a Champion In Under ArmourŪ Boys' Clothes

Watch him break boundaries in boys' Under ArmourŪ gear.

Upgrade his athletic wardrobe with Under ArmourŪ. He'll sprint past the competition in technical fabrics that support his performance, and unleash his inner superhero in Under ArmourŪ's signature boys' Alter Ego collection. When the weather turns blustery, he'll keep warm in cold compression and ColdGear technology. In balmy temperatures, he'll beat the heat in feather-light Under ArmourŪ T-shirts and gym shorts.

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

Expert Advice

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

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

  • Under ArmourŪ re-invented the cotton T-shirt. Dress him in Under ArmourŪ 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 ArmourŪ Infrared gear keeps him dry and fresh as he trains
  • Under ArmourŪ Storm gear is your go-to during rainy weather. This innovative finish works to block and repel moisture
  • Under ArmourŪ 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.