The classic Lehigh 6 in. boot exceeds the demands of the job without being overbuilt or uncomfortable. The HellyTech Performance waterproof membrane wrapped in full-grain leather with a ballistic nylon collar, make this on tough and timeless boot. This is a great all-around performance and value. Slip Resistant Outsole Helly Tech Waterproof Membrane Lightweight EVA Midsole Custom PU Insole Heel Stabilizer Meets all SATRA standards