The super-light HeatGear fabric gives you comfort throughout the day. Mesh panels in the armpits and back for strategic ventilation. 4-Way Stretch production allows for greater mobility in any direction. The material is a great sweat wicker and it dies very quickly. Anti-Odor technology prevents the formation of microbes that cause an unpleasant odor. Raglan sleeve cut and moulded hem. Under Armour logo on chest and neck. Material: Polyester / Elastan.