CoreFlex Men's Thermal Long Sleeve – Warm and Fitted ComfortThis fitted thermal long sleeve is designed for men who appreciate comfort, warmth, and a snug fit during cooler days. The shirt functions as thermal clothing and helps retain body heat, while the high stretch fabric moulds smoothly to the body and feels pleasant without constricting. Thanks to the high collar, this thermal long sleeve offers extra protection against cold and wind, creating a pleasant, enclosed feeling. Ideal as a base layer under