The Godzilla runners are made of soft leather and camo fabric. Matching laces. Padded hems. PP Hexagon is applied on the outer quarter. Slide-safe rubber outsole and highly-cushioning material midsole. Inner lining and removable insole.UPPER #1: 100% CALF LEATHER | LINING #1: 100% CALF SPLIT LEATHER | INSOLE #1: 100% POLYURETHANE | OUTSOLE #1: 100% SYNTHETIC RUBBER | INSERT #1: 100% METAL