Fabric Type 100% Leather Sole Material Rubber About this item Steel shank for structural support Electrical hazard protection Dual-purpose top hardware for lacing customization Timberland PRO Boondock Insulated work boots feature: Puncture-resistant plate for flexible underfoot protection Rugged full-grain leather for comfort and durability Cement construction for a flexibility and break-in time Mesh antimicrobial lining for odor control and comfortable feet Slip, oil, and abrasion resistant outsole Electrical Hazard protection Steel toe shaped on a TiTAN last for protection and a superior fit Anti-Fatigue Technology Comfort System The Timberland PRO Endurance series is designed with our exclusive Anti-Fatigue Technology comfort system, which absorbs shock and returns energy back to the foot in key zones, delivering added strength and stamina. Innovative design minimizes impact through shock-absorbing cones that compress and rebound to maximize support and reduce foot fatigue Contoured insole provides maximum support at key pressure points and impact zones like the heel and ball of the foot