UA Base is a system of baselayers, numbered from 2.0 to 4.0, that takes you from cold to absolutely freezing temps. It's constructed using a special negative grid pattern with each individual cell designed to trap heat without adding bulk. Think long underwear, reengineered for athletes performing at their peak. UA Base 2.0 is built for cold weather and higher activity levels.
Under Armour Coldgear Men's Base Layer 2.0 Fitted Thermal Leggings Grey NWT 3XL
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Under Armour - Men's Base 2.0 Leggings
Under Armour Black ColdGear® Base 2.0 Legging – CheapUndies
brand: Under Armour
Under Armour Men's ColdGear Armour Leggings, (600) Red / / White, X-Small : Clothing, Shoes & Jewelry
Under Armour Men's Tac ColdGear Infrared Base Leggings, Federal Tan (499)/Federal Tan, Large : Clothing, Shoes & Jewelry
Women's Under Armour ColdGear® Base 2.0 Leggings - 1343325-001 – Potomac River Running
Under Armour Women's ColdGear® Base 2.0 Leggings
UA Men's Coldgear Base 2.0 Legging
Brand: 360, Eletto, Gildan, Premier, Under-Armour