Rubber and woven fabric runners. The iconic Skull is printed on the heel counter and the metal PP Hexagon applied on the outer the quarter. Padded hems. Lace up fastening. Slide-safe rubber sole. Shock-absorbing, perforated thermoplastic cushion on the heel. Inner lining and removable insole.UPPER #1: 69% POLYESTER 23% CALF LEATHER 8% POLYURETHANE | LINNING #1: 100% POLYESTER | INSOLE #1: 100% POLYESTER | OUTSOLE #1: 50%ETHYLENE-VINYL ACETATE+50%Thermoplastic polyurethane (TPU)