Synthetic sole?Steel Toecap, Pull On?Fashion & Casual Design, Suit for Mechanic, Concrete, Welder, Construction, Heavy Industry, Manufacturing & Warehouse, Transportation.?PORON Xrd & CoolMAX?Fabric made with COOLMAX technology transports moisture away from the body to keep the wearer cool and dry on hot days, fiber structures provide insulation on colder days. Fabric made with PORON Xrd Repeated Impact Protection, Comfort, Breathable, Thin and Lightweight, Endurance.?Static Dissipative, Non-slip TPU Outsole?Release Static Electric into the Ground While Driving or Wearing Sweaters. Slip-Resistant, Slip and Oil Resistant Rockrooster TPU Outsole.?Nubuck / Full Grain Leather & Comfortable Support?Water Resistant, Slip-Resistant, Slip and Oil Resistant Rockrooster TPU Outsole, Anatomically Contoured Footbed Cradles the Foot to Provide Maximum Comfort and Support.?Anti-fatigue Memory Foam Insole, 6 High?Anti-fatigue Comfort Technology Footbeds by Coolmax Technology.