Style#:WK4711 Description:Durable, rugged and equipped with comfort and safety features for the rigors of the job, from our Worker II™ collection, the 10" Miner in Bark Brown is an Insulated, Waterproof, Nano Comp Toe work boot; the ultimate cold-weather boot. Waterproof construction helps keep feet dry, while 800 grams Thinsulate® Ultra insulation create a warm and comfortable environment inside the boot. Crafted with a nano comp toe and tough Vibram® Montana TC4 outsole, for surefooted durability you can trust, while inside, the Ortholite® insole provides all-day comfort for hardworking feet. Upper:10" BRIAR BARK Foot:BRIAR BARK Toe:COMPOSITE Insole:ORTHOTIC Outsole:VIBRAM® MONTANA