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Boys' One Piece & Sets

96 Items

UA Summit Square Mesh

UA Summit Square Mesh
Little Boys' Shorts Set

Price: $40
UA Rival Knit
UA Exclusive

UA Rival Knit
Boys' Tracksuit

Price: $55
UA Logo Short Sleeve & Woven
new

UA Logo Short Sleeve & Woven
Little Boys' Shorts Set

Price: $40
UA Tech™ Baseball
new

UA Tech™ Baseball
Little Boys' Shorts Set

Price: $40
UA Tech™ Logo
new

UA Tech™ Logo
Little Boys' Shorts Set

Price: $40
UA Lake Logo

UA Lake Logo
Little Boys' Shorts Set

Price: $40
UA Amphibious Ride Mesh
new

UA Amphibious Ride Mesh
Little Boys' Shorts Set

Price: $40
UA Tech™ Multi Sport Logo
new

UA Tech™ Multi Sport Logo
Little Boys' Shorts Set

Price: $40
UA Stripe Polo
new

UA Stripe Polo
Newborn Boys' Shortall

Price: $30
UA Tuna Truck Mesh

UA Tuna Truck Mesh
Toddler Boys' Shorts Set

Price: $40
UA Get Soaked
new

UA Get Soaked
Little Boys' Short Sleeve Shirt & Volley Shorts Set

Price: $48
UA Icon Knit

UA Icon Knit
Boys' Tracksuit

Price: $65
UA Tech™ Twist
new

UA Tech™ Twist
Toddler Boys' Baseball Shorts Set

Price: $40
UA Polo
new

UA Polo
Toddler Boys' Shorts Set

Price: $40
UA Tech™ Multi Sport
new

UA Tech™ Multi Sport
Toddler Boys' Logo Shorts Set

Price: $40
UA Seek & Explore Mesh
new

UA Seek & Explore Mesh
Little Boys' Shorts Set

Price: $40
UA Tech™ Multi Sport
new

UA Tech™ Multi Sport
Toddler Boys' Shorts Set

Price: $40
UA Twist Polo
new

UA Twist Polo
Newborn Boys' Bodysuit

Price: $24
UA Gradient Logo
new

UA Gradient Logo
Toddler Boys' Shorts Set

Price: $40
UA Tech™ Printed
new

UA Tech™ Printed
Toddler Boys' Shorts Set

Price: $40
UA Tech™ Twist
new

UA Tech™ Twist
Infant Boys' Baseball Shorts Set

Price: $36
UA Plain Weave
new

UA Plain Weave
Toddler Boys' Fish Shirt & Shorts Set

Price: $45
UA Tech™ Wordmark
new

UA Tech™ Wordmark
Toddler Boys' Shorts Set

Price: $40
UA Pennant Flag Mesh
new

UA Pennant Flag Mesh
Toddler Boys' Shorts Set

Price: $40

Fast-Drying, Dynamic Boys’ Athletic Sets

Sometimes you just want to throw on an outfit and go, instead of trying to mix and match what would look best together. Other times, you and your squad might prep to match pre-game, post-game, or through the halls on gameday. With Under Armour boys’ athletic sets, you’ll find tops and bottoms that match and come with the things you need to stay locked-in and at it throughout the day.

From boys’ two-piece sets of T-shirts and shorts for when it’s warm out, to fleece tops and fleece pants to stay warm in during the cold, Under Armour boys’ sets make looking good easy. No matter the season, you’ll find sweat-wicking clothes that keep things comfortable during warmups, an entire school day, and whatever comes next. Plus, stretchy materials give you the freedom to move better in every direction throughout your days. These boys’ athletic sets blend performance with style.

For the cold days on the football or soccer fields, and days where the weather might not be your best friend, check out boys’ athletic sets with zip-up water-resistant jackets and hoodies. Mix them with lightweight, water-resistant pants and you’ve got the perfect gear to help keep you protected when you need it. With loose fits that give better comfort, and lightweight materials that keep more “bulky” things like jackets and pants nowhere near heavy, getting to work in this gear comes easy. On the other end, find boy’s two-piece sets with T-shirts and shorts featuring mesh materials and added ventilation that keep you cool in the heat. Others give the classic cotton feel with a cotton-blend fabric that stays soft and breathable.

Look out for boys’ tracksuits, too, made to stay lightweight and fast when you’re on the field. Ankle zips let you put your cleats on and take them off easily, too.