Boys Extended Sizes - Clothing for Training | Under Armour

Featured
- New Arrivals
- Gifts For Boys
- Gifts For Girls
- Tween Shop
- Hoodie SZN
- ColdGear®: Keeps You Warm
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
  - Graphic T-shirts
  - Hoodies & Sweatshirts
  - Long Sleeves
  - Short Sleeves
  - Tank Tops & Sleeveless
- Shoes
- Shorts
- Sports Bras
Shop by Sport
- Hockey
- Baseball
- Basketball
- Flag Football
- Football
- Golf
- Hiking & Outdoor
- Softball
- Soccer
- Volleyball
Shop by Size
- Big Kids (8-20)
- Little Kids (4-7)
- Toddler (2T - 4T)
- Infant (12M - 24M)
- Newborn (0M - 9M)

Top Gifts
Gift Ideas
- The Starting Line Up
- Hoodie SZN
- MVP ft. Baselayer
- Cozy Gifts
- Footwear Under $100
- Matching Sets
Gifts By Price
- Gifts Under $50
- Gifts Under $100
- Gifts Under $150