ECCO Women's Biom Hybrid 2 Golf Shoe 100% Yak Leather Imported Synthetic sole A hybrid golf shoe that can be worn on and off the golf course Weather Resistance - Naturally soft, breathable and strong yak leather uppers are treated with HYDROMAX and an anti-stain formula for superb protection from the elements Anatomical Last Shape - Developed by scanning the feet of 2,500 athletes to provide ideal levels of support Tour-Proven Traction - Constructed from TPU - a highly durable, wear-resistant material - the molded traction bars offer hundreds of traction angles for superb grip Technical Insole System - A new, ultra-premium insole with silicon printing helps prevent unwanted foot movement during the swing