Boys Extended Sizes - Short Sleeves in Blue for Sportswear | Under Armour Canada

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

Featured
- New Arrivals
- Gifts For Boys
- Gifts For Girls
- Tween Shop
- Hoodie SZN
- Footwear Under $65
- Gear That Keeps You Warm
- Up To 40% Off Outlet
Boys
- Accessories
- Baselayer
- Hoodies & Sweatshirts
- Jackets & Vests
- One Piece & Sets
- Pants & Leggings
  - Athletic Pants, Sweatpants & Joggers
  - Leggings
- Shirts & Tops
  - Graphic T-shirts
  - Hoodies & Sweatshirts
  - Long Sleeves
  - Polo Shirts
  - Short Sleeves
  - Tank Tops & Sleeveless
- Shoes
- Shorts
- Underwear
Girls
Shop by Sport
Shop by Size

Top Gifts
Gift Ideas
- The Starting Line Up
- Hoodie SZN
- MVP ft. Baselayer
- Cozy Gifts
- Footwear Under $105
- Matching Sets
Gifts By Price
- Gifts Under $55
- Gifts Under $105
- Gifts Under $155