Wraparound calf coverage for work conditions that may require extra protection for the lower legs. Outer shell is 1,000-denier CORDURA® nylon, designed for durability even in severe environments. Each leg is secured by (3) sets of buckles and wraparound section below knees is secured by (2) sets of buckles. Meets UL® ASTM F-1414 and ASTM F-1897-2008 standards. Note: Size indicates length in inches from waist to bottom.