Boys UA Collections - Clothing in Gray for Training | Under Armour

New Arrivals
- Men
- Women
- Kids
- Shoes
Featured
Gift Guide
Winter Sports

Featured
Shop by Category
- Baselayer
- Hoodies & Sweatshirts
- Jackets & Vests
  - Jackets
  - Vests
- Leggings
- Matching Sets
- Shirts & Tops
  - Crop Tops
  - Graphic T-shirts
  - Hoodies & Sweatshirts
  - Long Sleeves
  - Polo Shirts
  - Short Sleeves
  - Tank Tops & Sleeveless
- Shoes
  - Basketball
  - Fishing
  - Hiking & Hunting
  - Lacrosse
  - Military & Tactical
  - Running
  - Sandals & Slides
  - Soccer
  - Softball
  - Sportswear
  - Training
  - Volleyball
- Shorts
- Sports Bras
- Sweatpants & Joggers
- Underwear
Shop by Sport
- Basketball
- Flag Football
- Golf
- Hiking & Outdoor
- Pickleball & Tennis
- Running
- Softball
- Training
- Volleyball
- Yoga & Pilates
Shop by Collection
- UA Halo
- UA Meridian
- UA Unstoppable
- UA Vanish
- HeatGear®: Keeps You Cool
- ColdGear®: Keeps You Warm
- UA Icon
- Project Rock
- UA Freedom
- College Fan Gear
Accessories

Featured
- New Arrivals
- Release Calendar
- Curry Brand
- Shoes Under $100
- Extra 30% Off Outlet
Shop by Category
Shop by Gender
Shop by Sport
Shop by Collection
- UA Charged+
- UA Halo
- UA SlipSpeed™
- Curry Brand
- D. Fox 2
- UA Phantom
- Project Rock
- Bryce Harper

Featured
Men
Women
- Accessories
- Jackets & Vests
- Pants & Leggings
- Shirts & Tops
- Shoes
- Shorts
- Sports Bras
Boys
Girls
- Accessories
- Pants & Leggings
- Shirts & Tops
- Shoes
- Shorts
- Sports Bras