Prepare for all the bumps in the road with the Rumbler work boot Full-grain waterproof leather upper Ergo-Fit safety toe designed to match contours of feet, providing superior comfort and flexibility ASTM F2413 protective toe classification ASTM F2413 electrical hazard standard Internal EVA midsole encapsulated in TPU with heel stabilizer External TPU toe cap for added protection and durability AMP LT memory foam insole Chemical, oil, abrasion, heat, and slip resistant rubber outsole Georgia Boot Men's 10 Inch CT WP Rumbler