Stay comfortable on the move in the Smith's Workwear Men's Performance Underwear Leggings. 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 warm and the elastic waistband encourages a secure fit. Smith's Workwear Men's Performance Underwear Leggings Black, X-Large - Men's Work Bottoms at Academy Sports