Pro level features, perfect for the club and recreational cyclistsHigh-density synthetic leather with perforations improves fit and breathabilitySuper low-profile, reverse mount buckle securely holds foot Off-set Strap relieves tension at highest point of the footSupple padded tongue feels great on the foot and adds to the all day comfortLightweight glass fibre reinforced nylon sole for efficient power transfer SPD and SPD-SL cleat compatible fixingsSole stiffness 6Weight: 522g a pair (size 42)