Lightweight, high-performance cross-country shoes with unparalleled power transfer, benefitting from s-phyre trickle-down technologyoptimized upper pattern to maximise foot support and ventilationsurround wrapping upper structure reduces overlap, providing a glove-like fit and eliminating hot-spotslow stack height midsole helps stabilize foot, maximizes power transfer and efficiencyboa® l6 skeleton dial for quick and precise micro-adjustmentbrand new sole construction, based on the s-phyre xc902, complete with Shimano ultreadcompound for maximum grip and durabilityoptimised stud pattern to avoid mud stackingglass fibre reinforced midsole for power transfersevere condition spikes sold separately (smshxc902mskl01000)weight: 300g (size 42)stiffness rating: 6