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Baselayer Collection

100 Items

UA Tech

UA Tech
Women's 8" Bike Shorts

Price: $35
UA Iso-Chill

UA Iso-Chill
Boys' ¾ Sleeve Shirt

Price: $40
UA HeatGear®

UA HeatGear®
Women's Full-Length Leggings

Original price: $55, Sale price: $40.97
UA SmartForm Evolution Mid

UA SmartForm Evolution Mid
Women's Sports Bra

Price: $50
ColdGear® Authentics

ColdGear® Authentics
Women's ½ Zip

Original price: $65, Sale price: $48.97
HeatGear® Middy

HeatGear® Middy
Women's 5" Shorts

Original price: $30, Sale price: $22.97
Armour® Mid Crossback

Armour® Mid Crossback
Women's Sports Bra

Original price: $35, Sale price: $25.97
ColdGear®
Best Seller

ColdGear®
Girls' Leggings

Original price: $40, Sale price: $29.97
Armour® Mid Crossback
1X-3X

Armour® Mid Crossback
Women's Sports Bra

Price: $35
HeatGear® Armour

HeatGear® Armour
Boys' Shorts

Price: $25
UA Base 2.0
Best Seller

UA Base 2.0
Women's Leggings

Price: $60
UA Fly Fast Printed

UA Fly Fast Printed
Women's Crop

Original price: $60, Sale price: $44.97
HeatGear® Armour

HeatGear® Armour
Women's Long Sleeve

Price: $33
UA Team

UA Team
Women's 4" Shorty Shorts

Original price: $30, Sale price: $22.97
Armour® Mid Crossback Heather

Armour® Mid Crossback Heather
Women's Sports Bra

Price: $35
UA Tactical ColdGear® Infrared
new

UA Tactical ColdGear® Infrared
Men's Base Leggings

Price: $60
UA Seamless Low Long

UA Seamless Low Long
Women's Sports Bra

Original price: $35, Sale price: $26.97
Armour® High Crossback

Armour® High Crossback
Women's Sports Bra

Original price: $50, Sale price: $37.97
UA Tech
1X-3X

UA Tech
Women's Ankle Leggings

Price: $45
UA Utility

UA Utility
Women's Slider Shorts

Price: $30
UA Launch

UA Launch
Women's Tights

Price: $65
ColdGear®

ColdGear®
Girls' Mock Long Sleeve

Original price: $45, Sale price: $33.97
UA Tech

UA Tech
Women's 8" Bike Shorts

Original price: $40, Sale price: $29.97
HeatGear® Armour

HeatGear® Armour
Women's Short Sleeve

Price: $30

Baselayer Clothing Built for All Seasons

It’s the first thing you put on and the last thing you take off. It’s just as important as the training you’ve got ahead of you, because it’s what’s going to make you better during it. With Under Armour baselayer clothing, we keep you comfortable and ready to keep the work going, no matter the conditions. Stretchy fabrics let you move comfortably without distraction, while the compression fit makes you feel more powerful. ColdGear® baselayer clothing works to keep you warm in chilly conditions, while HeatGear® baselayer clothing stays cool to the touch during hot days.

Baselayer shirts, ranging from compression tanks, to T-shirts, to long sleeved baselayers, and even bodysuits, all come ready for the challenges you toss at them. Lightweight HeatGear® fabric keeps you cool. It also wicks sweat fast and dries super-fast, while ergonomic flatlock seems give you a chafe-free fit. That means going up to make a play is uninterrupted by what you’re wearing.

ColdGear® helps you kick out that stiff, distracted feeling you can get when temps drop. This performance baselayer clothing keep you warm and dry with dual-layer fabrics and brushed interiors. There's never an off-season with ColdGear®.

We’ve got baselayers for every season and activity. Baselayer clothing like shorts, shirts, and both men’s and women’s baselayer leggings give you that next-to-skin feel that lets you take things to the next level.