Boys UA Collections - Fitted Fit Clothing in Gray for Training

New & Featured

New Arrivals
- Men
- Women
- Kids
- Shoes
Featured
Gift Guide
Spring Sports
- Softball
- Flag Football
- Baseball
- Basketball
- Fishing
- Golf
- Pickleball & Tennis
- Running
- Soccer

Men

Featured
Shop by Category
Shop by Sport
Shop by Collection
- UA Halo
- UA Unstoppable
- UA Vanish
- Curry Brand
- HeatGear®: Keeps You Cool
- ColdGear®: Keeps You Warm
- UA Icon
- Project Rock
- UA Freedom
- College Fan Gear
Accessories
- Backpacks & Bags
- Beanies & Cold Weather Gear
- Belts
- Hats & Visors
- Lunch Boxes
- Socks
- Sports Equipment
- Sport Gloves
- Sunglasses
- Water Bottles & Coolers

Women

Kids

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
  - Baseball
  - Basketball
  - Football
  - Running & Training
  - Sandals & Slides
  - Sportswear
- Shorts
- Underwear
Girls
Shop by Sport
Shop by Size
- Big Kids (8-20)
- Little Kids (4-7)
- Toddler (2T - 4T)
- Infant (12M - 24M)
- Newborn (0M - 9M)

Shoes

Featured
- New Arrivals
- Release Calendar
- UA x BlackTipH
- Velociti Running Shoes
- Dugout Staples
- Shoes Under $100
Shop by Category
- Sandals & Slides
- Cleats
- Lifestyle Shoes
- Boots
- Wide Shoes
- Running & Training
Shop by Gender
- Men's Shoes
- Women's Shoes
- Boys' Shoes
- Girls' Shoes
Shop by Sport
- Baseball
- Basketball
- Fishing
- Football
- Golf
- Hiking & Hunting
- Lacrosse
- Running
- Soccer
- Military & Tactical
- Track & Field
- Training
- Volleyball
Shop by Collection

Outlet

Featured
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

Order History

Saved Items

My Dashboard

Boys' UA Collections - Gray · Fitted · Training · Clothing

HeatGear® Armour
Boys' Short Sleeve

HeatGear® Armour
Boys' Leggings

HeatGear®
Boys' Sleeveless

HeatGear® Armour
Boys' Shorts

UA Performance Cotton
Boys' 4" 3-Pack Boxerjock®

HeatGear® Armour
Boys' Long Sleeve

ColdGear®
Boys' Mock Long Sleeve

ColdGear®
Boys' Long Sleeve

UA ColdGear®
Boys' Leggings

UA Performance Cotton
Boys' 4" 3-Pack Boxerjock®

Live Chat

Need Help?

About Under Armour

UA Social

Boys' UA Collections - Gray · Fitted · Training · Clothing

HeatGear® ArmourBoys' Short Sleeve

HeatGear® ArmourBoys' Leggings

HeatGear®Boys' Sleeveless

HeatGear® ArmourBoys' Shorts

UA Performance CottonBoys' 4" 3-Pack Boxerjock®

HeatGear® ArmourBoys' Long Sleeve

ColdGear®Boys' Mock Long Sleeve

ColdGear®Boys' Long Sleeve

UA ColdGear®Boys' Leggings

UA Performance CottonBoys' 4" 3-Pack Boxerjock®

HeatGear® Armour
Boys' Short Sleeve

HeatGear® Armour
Boys' Leggings

HeatGear®
Boys' Sleeveless

HeatGear® Armour
Boys' Shorts

UA Performance Cotton
Boys' 4" 3-Pack Boxerjock®

HeatGear® Armour
Boys' Long Sleeve

ColdGear®
Boys' Mock Long Sleeve

ColdGear®
Boys' Long Sleeve

UA ColdGear®
Boys' Leggings

UA Performance Cotton
Boys' 4" 3-Pack Boxerjock®