Boys' Swimsuits - Loose Fit | Under Armour

Featured
Shop by Category
Shop by Sport
Shop by Collection
- UA Meridian
- UA Unstoppable
- HeatGear®: Keeps You Cool
- UA Vanish: Performance Apparel
- ColdGear®: Keeps You Warm
- Project Rock
- UA Freedom
- College Fan Gear
Accessories
- Backpacks & Bags
- Crossbody & Waist Bags
- Hats & Visors
- Headbands & Scrunchies
- Lunch Boxes
- Socks
- Sport Gloves
- Sunglasses
- Travel Accessories
- Water Bottles & Coolers

Featured
- New Arrivals
- Spring Stock-Up Event
- Spring Picks
- Tween Shop
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
  - Jackets
  - Vests
- One Piece & Sets
- Pants & Leggings
  - Athletic Pants, Sweatpants & Joggers
  - Leggings
- Shirts & Tops
- Shoes
  - Baseball
  - Basketball
  - Football
  - Running & Training
  - Sandals & Slides
  - Sportswear
- Shorts
- Swimwear
- Underwear
Girls
Shop by Sport
- Baseball
- Basketball
- Fishing
- Football
- Golf
- Hockey
- Softball
- Soccer
Shop by Size

Featured
- New Arrivals
- Spring Stock-Up Event
- UA Phantom Fore
- UA Echo
- Bryce Harper Collection
- Footwear Under $100
Shop by Category
- Sandals & Slides
- Cleats
- Sportswear Shoes
- Boots
- Wide Shoes
Shop by Gender
Shop by Sport
- Baseball
- Basketball
- Fishing
- Football
- Golf
- Hiking & Hunting
- Lacrosse
- Running
- Soccer
- Military & Tactical
- Track & Field
- Training
Shop by Collection
- UA SlipSpeed™
- Curry Brand
- UA Infinite
- UA Phantom
- Project Rock
- Curry Brand Fox 1

Men
Women
Kids
Shoes

Featured
- Athletic Clothing Under $25
- Shoes Under $75
Men
- Accessories
- Jackets & Vests
- Pants & Leggings
- Shirts & Tops
- Shoes
- Shorts
Women
- Accessories
- Jackets & Vests
- Pants & Leggings
- Shirts & Tops
- Shoes
- Shorts
- Sports Bras
Boys
- Accessories
- Jackets & Vests
- Pants & Leggings
- Shirts & Tops
- Shoes
- Shorts
Girls
- Accessories
- Jackets
- Pants & Leggings
- Shirts & Tops
- Shoes
- Shorts
- Sports Bras

Skip to main content

FREE U.S. Standard Shipping Orders $99+ & FREE Returns

FREE U.S. Standard Shipping Orders $99+ & FREE Returns

English