Under Armour Men's UA ColdGear Evo Fitted Crew Dual-Layer EVO ColdGear Construction - A smooth exterior membrane dries quickly whilst a brushed, heat-retentive interior insulates the wearer consistently. Signature Moisture Transport System - Wicks sweat away from the skin to encourage a drier, fresher environment. 4-Way Stretch Construction - Maintains shape whilst accommodating a full range of motion. Anti-Odour Technology - Eradicates odour carrying bacteria before it has a chance to spread. Crew Neck - Encourages natural airflow and temperature regulation.