Kids' Shop by Size - Short Sleeves in Blue for Sportswear | Under Armour

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Featured
Gift Guide
Winter Sports

Featured
Boys
- Accessories
  - Backpacks & Bags
  - Beanies & Cold Weather Gear
  - Equipment
  - Lunch Boxes & Mini Coolers
  - Socks
  - Sport Gloves
  - Sunglasses
  - Water Bottles & Coolers
- 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
- 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
- Gifts For Men
- Gifts For Women
- Gifts For Boys
- Gifts For Girls
- Small Gifts
- Gift Cards
- UA Giftbox Kits
Gift Ideas
- The Starting Line Up
- Hoodie SZN
- MVP ft. Baselayer
- Cozy Gifts
- Shoes Under $100
- Matching Sets
Gifts By Price
- Gifts Under $50
- Gifts Under $100
- Gifts Under $150

Men
Women
Kids
Shoes

Featured
- Extra 50% Off Outlet
- Apparel Under $25
- Shoes Under $75
Men
- Accessories
- Jackets & Vests
- Pants & Leggings
- Shirts & Tops
- Shoes
- Shorts
- Underwear
Women
- Accessories
- Jackets & Vests
- Pants & Leggings
- Shirts & Tops
- Shoes
- Shorts
- Sports Bras
Boys
Girls
- Accessories
- Pants & Leggings
- Shirts & Tops
- Shoes
- Shorts
- Sports Bras