Stay comfortable on the move in the Smith's Workwear Men's Performance Underwear Long Sleeve Crew Neck Shirt. The polyester, acrylic and spandex performance knit fabric offers softness and supplies a breathable, stretchy feel, while the base-layer construction retains heat to help you stay cozy and warm. Smith's Workwear Men's Performance Underwear Long Sleeve Crew Neck Shirt Gray, 2X-Large - Men's Longsleeve Work Shirts at Academy Sports