Super Combed Cotton Rich Full Sleeve Regular Fit Long Sleeve Thermal Long Sleeve Undershirt with Stay Warm Technology Style Number - 2401 Super Combed Cotton Rich Fabric Fabric Composition : Cotton, Viscose and Polyester StayWarm Technology, Fabric Specifically Developed to Help You Stay Warm Throughout the Day StayFresh Treatment with Antimicrobial Properties to Help You Stay Fresh Throughout the Day Round Neck