The Hytest 12451 boot is built for tough environments. Offering waterproof and electrical hazard protection, this steel toe internal met boot is lightweight, durable and extremely comfortable. The upper is a nomad full grain waterproof upper. There is an abrasion resistant mesh lining inside to wick away moisture and a waterproof barrier bootie to keep your feet dry. The 12451 features a PESU III EVA footbed for lightweight comfort, and an EVA cushioned midsole for support and impact resistance. The sole is a slip and oil resistant apex rubber. Finally, the Poron XRD internal metatarsal guard is the industry leading standard in lightweight, flexible protection. The flexible guard moves with you until impact-- when it immediately stiffens to protect the foot. The Poron XRD material returns to its resting state after impact and retains its ability to provide protection impact after impact. This durable shoe is built to withstand tough environments and provide long lasting comfort step after step, day after day.