Patent Pending Genuine Grip Slip-Resistant Rubber Outsole with Superior Grip. WALKING ON AIR Polyurethane Footbed with Moisture Absorbing Dri-Lex Fabric. Leather and Man-made Upper. Shock Absorbing Inner EVA Mid-sole, flexible Soft Insole Board. Ergonomic Design. Oil and Water Resistant Outsole. Men'e Genuine Grip Wide Width Sizes are Comparable to EE Widths.