ECCO Men's Biom G 2 GTX-M 100% Leather Imported Synthetic sole Anatomical last shape - developed by scanning the feet of 2,500 athletes to provide ideal levels of support Outstanding ground control - thinner midsole bringing players closer to the playing surface Technical insole system - a new, ultra-premium insole with silicon printing helps prevent unwanted foot movement during the swing Tour-proven traction - the advanced slim-look fitting system by champ spikes Gore-Tex distressed yak leather uppers