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 Men's Base Map 2.5 Crew
Under Armour® Men's ColdGear® Base 3.0 Series Packaged Long-Sleeve Crew Shirt
Mens Under Armour Base 4.0 Leggings
Under Armour Women's Black ColdGear Base 4.0 Crew Long Sleeve Shirt - Hibbett
CCM Compression Base Layer Hockey Pants, Junior, Assorted Sizes
Men's ColdGear® Leggings
Under Armour Alpha Cargo Pants (Marine Green)
MENS ADV SUBZ WARM RUNNING TIGHTS 3
Under Armour Men's ColdGear Base 4.0 Leggings : : Clothing, Shoes & Accessories