Boys Extended Sizes - Loose Fit Clothing for Training | Under Armour

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- New Arrivals
- Valentine's Day Edit
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- Wide Leg Pants
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- Baselayer
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Featured
Boys
Girls
- Accessories
- Baselayer
- Hoodies & Sweatshirts
- Jackets
- Pants & Leggings
  - Athletic Pants, Sweatpants & Joggers
  - Leggings
- Shirts & Tops
  - Graphic T-shirts
  - Hoodies & Sweatshirts
  - Long Sleeves
  - Short Sleeves
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- Shoes
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- Shorts
- Sports Bras
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Shop by Size
- Big Kids (8-20)
- Little Kids (4-7)
- Toddler (2T - 4T)
- Infant (12M - 24M)
- Newborn (0M - 9M)