Rockport Men's World Tour Elite Encounter Walking Shoe Leather Rubber sole Dynamic Suspension uses a DMX foam chamber unit on the bottom of the footbed for dynamic air cushioning CMEVA midsole ensures lightweight resilient cushioning to help reduce foot and leg fatigue Stitch-in and San Crispino construction for forefoot flexibility and aids heel stability Fiberlon shank for lightweight midfoot support Heel pad offers additional underfoot cushioning