Key Features: High performance shoes featuring technologies previously found only in the S-PHYRE series,Surround wrapping upper structure improves fit, reduces overlap and eliminates hot spots,Removal of the lasting board, known as a seamless midsole construction, minimises stack-height and maximises power transfer,Synthetic leather composite upper provides increased breathability and comfort,Glass-fibre reinforced nylon sole,Single mid-shoe BOA® L6 dial ensures a perfect fit while maintaining a clean finish,Weight: 242g (size 42),Stiffness rating: 6.