Boys UA HeatGear® - Long Sleeves for Training | Under Armour Canada

Shop By Gender
- Men
- Women
- Boys
- Girls
Shop By Discount
Featured Deals

Featured
Boys
Girls
- Accessories
  - Backpacks & Bags
  - Beanies & Cold Weather Gear
  - Equipment
  - Hats & Headbands
  - Lunch Boxes
  - Socks
  - Sport Gloves
  - Sunglasses
  - Water Bottles & Coolers
- Baselayer
- Hoodies & Sweatshirts
- Jackets
- One Piece & Sets
- Pants & Leggings
  - Athletic Pants, Sweatpants & Joggers
  - Leggings
- Shirts & Tops
- Shoes
- Shorts
Shop by Sport
- Hockey
- Baseball
- Basketball
- Flag Football
- Football
- Golf
- Hiking & Outdoor
- Softball
- Soccer
- Volleyball
Shop by Size

Featured
- New Arrivals
- Cyber Week
- Top Gifts
- UA x Mansory
- Footwear Under $105
Shop by Category
Shop by Gender
Shop by Sport
- Baseball
- Basketball
- Football
- Golf
- Hiking & Hunting
- Lacrosse
- Running
- Soccer
- Military & Tactical
- Track & Field
- Training
- Volleyball
Shop by Collection
- UA Charged+
- UA Halo
- UA SlipSpeed™
- Curry Brand
- D. Fox 2
- UA Phantom
- Project Rock
- Bryce Harper