's Freeride Series boots come standard with DIN-certified Alpine Sole Blocks, which are meant to be used with standard alpine bindings. Black Diamond
Alpine Touring Sole Blocks may be used interchangeably at the user's discretion; these feature a full rubber sole with a deep tread and are optimized for grip in cold temperatures. They are compatible with ISO Touring spec bindings, and also include tech fittings for use with tech (Dynafit-type) bindings.
Replacement sole blocks for Factor 130, Factor 110, and Shiva boots; the AT Sole Blocks may be used with ISO Touring spec bindings or Tech (Dynafit-type) bindings and will offer a better grip on slick surfaces or while booting
Sizing - Small - 25.5 Mondopoint and smaller; Large - 26.0 Mondopoint and larger
Compatible with tech (Dynafit-type) and ISO Touring bindings