As far as work boots go, the Danner Bull run is as tough as they come! With its durable full grain leather uppers and durable Vibram Olympia outsole this boot will make sure your feet are taken care of while you get the job done. The Bull Run offers electrical hazard protection ASTM F2892-11 EH. This boot is also recraftable which extends the life of the boot with services including part replacement, leather care and restitching. This boot was made to work and keep you going while keeping your feet in comfort.