UA Base is a system of baselayers, numbered from 2.0 – 4.0, that takes you from cold to absolutely freezing temps. It uses a special negative grid
Under Armour Men's Coldgear Base 4.0 Leggings Black
Under Armour Womens Expedition Weight ColdGear 4.0 Base Layer Legging 1280946 XL
Womens Under Armour Base Layer 2.0
Sports & Outdoors
Dick's Sporting Goods Under Armour Men's Packaged Base 4.0 Baselayer Leggings
Under Armour Women's ColdGear® Base 4.0 Crew XS Black : Clothing, Shoes & Jewelry
Under Armour Coldgear Compression Leggings
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
Women's UA Base 4.0 Leggings
Under Armour Base 4.0 Crew - Women's - Clothing
Women's UA Tactical ColdGear® Infrared Base Crew
Under Armour Coldgear Base 4.0 Tight Women - Black
Ladies Under Armour® ColdGear® Base 2.0 Leggings - 1343325
Women's ColdGear® Authentics Mock Neck
Women's ColdGear® Authentics Crew
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
Women's UA Base 4.0 ½ Zip
