Carbon toe is ASTM F2413-18 M I/C EH rated ATS Max technology for stability and foot-fatigue reduction Energy Max rebound foam insole EVA midsole for lightweight shock absorption and cushioning Waterproof PRO construction with waterproof leather WorkHog XT Waterproof Carbon Toe Work Boot The WorkHog XT platform delivers maximum side-to-side stability plus superior cushioning and shock absorption. Loaded with comfort and durability, it's designed to withstand harsh outdoor work environments and oil and gas exploration. Carbon toe is ASTM F2413-18 M I/C EH rated ATS Max technology for stability and foot-fatigue reduction Energy Max rebound foam insole EVA midsole for lightweight shock absorption and cushioning Waterproof PROâ„ construction with waterproof leather Patented U-Turn Entry System for easy entry and a close fit Six-row shaft stitch Goodyear welt construction Mesh lining Oil- and slip-resistanting Duratreadâ„ outsole for maximum wear resistance