For outdoor use all year round, dry and wet work. Approved for use in ESD areas where static electricity can cause damage to sensitive electronic equipment. Upper part in microfiber material with PU details and reflectors. Waterproof Gore-Tex membrane. Breathable and moisture-transporting textile lining. Boa L6 lacing system, easy to take the shoe off and on. Removable insole. Rubber outsole, heat resistant and antistatic. Shock-absorbing PU midsole. Non-slip properties on ceramic tiles and steel substrates (SRC). Toe reinforcement. Fiberglass toe cap. Nail sole in composite.