A heavier pant to wear under your protective gear. Keeps you dry and warm in colder conditions, while allowing maximum mobility for those long hauls.Medium weight moisture-wicking fabric keeps you dryFlat lock stitching for maximum comfortForm fitting for comfort and supportAll over stretch for complete range of motion WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov This warning is being provided to comply with the State of California's Proposition 65.