Sturdy and warm lined boot with VentAir waterproof membrane. Shoes equipped with VentAir technology make them both windproof and waterproof and ensure that the shoes breathe and transport moisture away from the feet. Warmly lined upper part in PU/nylon with two Velcro straps. Reflective tape on the heel. Warmly lined in wool blend and with alu-insulated removable insole. Outsole in durable TPR rubber that withstands tough grips. All shoes from PAX are free from PVC, Teflon, hexavalent chromium, PTFE and other fluorinated hydrocarbons.