UA Base 4.0 is built for extreme cold weather and lower activity. It uses a unique pattern that's designed to trap heat without adding bulk. Think long underwear, revamped for today's top athletes.
Under Armour Women's ColdGear Base 4.0 Leggings, 1343323001XS-Parent
Under Armour Men's ColdGear Base 4.0 Leggings : : Clothing, Shoes & Accessories
Women's ColdGear® Authentics Leggings
Under Armour Women's ColdGear Base 4.0 Leggings XS Black at Women's Clothing store
Women's Under Armour ColdGear Authentic s, Midnight Navy (410), X-Small, Leggings - Canada
Under Armour Women's ColdGear Base 3.0 Leggings XS Black at Women's Clothing store
Under Armour Men's ColdGear Base 4.0 Leggings : : Clothing, Shoes & Accessories
Women's Under Armour ColdGear Authentic s, Midnight Navy (410), X-Small, Leggings - Canada
Under Armour Womens ColdGear Base 4.0 Leggings