Kids' Gym Wear & Training Clothes

56 Items

UA Tech™ Utility Woven

UA Tech™ Utility Woven
Boys' Jacket

Original price: £50, Sale price: £35
Black Friday offer: Up to 50% off
UA Tech™ Utility

UA Tech™ Utility
Boys' ¼ Zip

Original price: £35, Sale price: £24.50
Black Friday offer: Up to 50% off
UA Tech™ 2.0

UA Tech™ 2.0
Boys' Short Sleeve

Original price: £19, Sale price: £13.30 - £16.97
Black Friday offer: Up to 50% off
UA Motion

UA Motion
Girls' Jacket

Original price: £40, Sale price: £28
Black Friday offer: Up to 50% off
UA Tech™ 2.0

UA Tech™ 2.0
Boys' ½ Zip

Original price: £31, Sale price: £18.60 - £21.97
Black Friday offer: Up to 50% off
UA Tech™ Vent Jacquard

UA Tech™ Vent Jacquard
Boys' Shorts

Original price: £26, Sale price: £15.60 - £18.20
Black Friday offer: Up to 50% off
Armour Fleece® Pro Utility

Armour Fleece® Pro Utility
Boys' Full Zip

Original price: £60, Sale price: £42
Black Friday offer: Up to 50% off
Boys' Grade School UA Assert 10 Running Shoes

Boys' Grade School UA Assert 10 Running Shoes
Boys' Grade School Running Shoes

Original price: £45, Sale price: £27 - £31.50
Black Friday offer: Up to 50% off
UA Vanish Seamless

UA Vanish Seamless
Boys' Short Sleeve

Original price: £31, Sale price: £18.97 - £21.97
Black Friday offer: Up to 50% off
Armour Fleece® Pro Utility

Armour Fleece® Pro Utility
Boys' Pants

Original price: £55, Sale price: £38.50
Black Friday offer: Up to 50% off
Armour Fleece®

Armour Fleece®
Boys' ¼ Zip

Original price: £40, Sale price: £28
Black Friday offer: Up to 50% off
UA Motion Branded

UA Motion Branded
Girls' Tank

Original price: £26, Sale price: £18.20
Black Friday offer: Up to 50% off
UA Motion Branded

UA Motion Branded
Girls' Leggings

Original price: £31, Sale price: £21.70
Black Friday offer: Up to 50% off
UA Training Cotton

UA Training Cotton
Kids' 6-Pack Crew Socks

Original price: £18, Sale price: £12.60
Black Friday offer: Up to 50% off
UA Tech™ Varsity Graphic

UA Tech™ Varsity Graphic
Girls' Short Sleeve

Original price: £18, Sale price: £12.60
Black Friday offer: Up to 50% off
Armour Fleece®

Armour Fleece®
Boys' Joggers

Original price: £35, Sale price: £20.97 - £24.50
Black Friday offer: Up to 50% off
UA Tech™ Utility

UA Tech™ Utility
Boys' Short Sleeve

Original price: £26, Sale price: £18.20
Black Friday offer: Up to 50% off
UA Tech™ Utility Woven

UA Tech™ Utility Woven
Boys' Shorts

Original price: £26, Sale price: £18.20
Black Friday offer: Up to 50% off
UA Tech™ Woven Wordmark

UA Tech™ Woven Wordmark
Boys' Shorts

Original price: £22, Sale price: £14.97 - £17.97
Black Friday offer: Up to 50% off
Armour Fleece® Retro Graphic

Armour Fleece® Retro Graphic
Boys' Hoodie

Original price: £35, Sale price: £24.50
Black Friday offer: Up to 50% off
UA Tech™ Split Wordmark

UA Tech™ Split Wordmark
Boys' Short Sleeve

Original price: £22, Sale price: £13.20 - £17.97
Black Friday offer: Up to 50% off
UA Tech™ Play Up

UA Tech™ Play Up
Girls' 2-in-1 Shorts

Original price: £22, Sale price: £14.97 - £15.40
Black Friday offer: Up to 50% off
UA Tech™

UA Tech™
Girls' Short Sleeve

Original price: £19, Sale price: £13.30
Black Friday offer: Up to 50% off
UA Tech™ Wordmark Graphic

UA Tech™ Wordmark Graphic
Girls' Short Sleeve

Original price: £19, Sale price: £13.30
Black Friday offer: Up to 50% off

Kids' Gym Wear & Training Clothes

Under Armour’s kids' gym wear for girls and boys gives you a powerful combination of tough, innovative gear that helps you train better. We built our kids' gym wear, training clothes and shoes with durable materials and advanced technologies that give you maximum support, range of motion and which eliminate distractions. That equals higher quality, more focused, and more impactful training. 

Our kids' workout clothes for boys and girls include all the gear you need for any training session. 

For maximum support and compression, our boys’ and girls’ leggings, base layers and sports bras are built using ultra-soft yet durable fabrics, which breathe at the time of sweat. We built them with advanced tech like UA HeatGear®, which is insanely quick drying, letting you focus on your workouts without distraction. 

Under Armour kids' training performancewear also includes shorts and t-shirts that are incredibly durable and sweat wicking - everything you need for grinding hard. Our hoodies and tracksuits are made with new materials like Armour Fleece®, which is lightweight and stretchy, but keeps you warm before and after training sessions. 

Our gym gear for kids' also includes essential accessories, including sweat-wicking, cushioned ankle socks, caps and headbands designed with breathable fabrics, and stable, supportive and cushioned training shoes.