Moisture Wicking Mock Turtleneck is an ideal comfortable. low-profile base layer that keeps law enforcement and public safety professionals warm and dry while on duty. Made from a moisture wicking material. the turtleneck is perfect for strenuous work in cold environments as it keeps you warm while wicking away sweat so you stay dry and comfortable. The tactical shirt makes an ideal warm base layer beneath your uniform or can be worn alone. The self collar and cuffs on the military tactical shirt are made from the same material as the body for a clean. uniform appearance.