Thorogood’s Commando Side Zip Composite Toe Boot delivers waterproof, blood borne pathogen resistant protection. The removable two density polyurethane “shock zone” footbed with air flow vents keeps your feet cool and comfortable. Certified for electrical hazard protection. A slip-resistant rubber outsole provides positive traction on almost any surface. Additionally, there's a composite shank to give your arches extra support and reinforcement.