Ecco Men's Biom C5 BOA Golf Shoes Size:45 EU 11 11.5 US four piece urethane golf ball that four piece urethane golf ball that combines high ball velocity with stable and consistent ball flight The design produces better launch and playability in long irons with increased control in the scoring clubs Innovation is at the core of ECCO Golf – a brand that dares to change the sport – with the new ECCO M GOLF BIOM C5 a striking illustration of how the Danish shoemaker is always exploring fresh ways to boost performance The new BIOM C5 outsole delivers performance stability and multi directional traction in every part of the course and in all conditions