The Specialized Sport RBX Road Shoes are a 2-bolt SPD compatible shoe perfect for commuting, touring & coffee stops. The 2-bolt design allows the sole of the shoes to have a raised grip so they are more ‘walkable’. The Sport RBX still comes with a stiff nylon plate in the sole & a close fit so that you get plenty of pedalling efficiency whether you are in or out of the saddle. Like all Specialized shoes the Defroster uses Body geometry sole construction & footbeds that are ergonomically designed not just to be comfortable but also to actively boost pedalling power & efficiency. Features Body Geometry sole & footbed optimize hip, knee, & foot alignment to improve performance & comfort Moderately stiff nylon plate for pedalling efficiency, with Slip Not sole & walkable rubber tread: Stiffness Index 6.0 Three offset Velcro® strap closures for comfortable fit Synthetic upper with mesh venting for supple fit Reflective heel elements for high visibility Combine Body Geometry shs, footbeds & wedges to maximize performance benefits 2-bolt SPD-style cleat pattern Approximate weight: 380g (1/2 pair 42)