The IMP750 Base Layer in RM by Portwest LLC is designed for superior thermal insulation and moisture management. Constructed from advanced materials, this base layer effectively wicks sweat away from the body, ensuring you stay dry and comfortable in cold conditions. The lightweight and stretchy fabric allows for unrestricted movement, making it perfect for layering under workwear or outdoor gear. With a snug fit and flatlock seams to prevent chafing, this base layer meets industry standards for performance and durability, making it an essential choice for outdoor enthusiasts.