Ua Base 4.0 Crew

UA Base 2.0 is highly versatile mid-weight protection for colder conditions & a variety of activity levels
Soft, brushed negative grid interior traps hot air, providing superior warmth
4-way stretch construction moves better in every direction
Material wicks sweat & dries really fast
Anti-odor technology prevents the growth of odor-causing microbes
95% Polyester/5% Elastane