Designed with exceptional fit grip and durability as well stability its advanced 3d chassis combines flex in the forefoot with plenty of support under the heel a outstanding fit is teamed with comfort thanks to it sensifit system and endofit foot sleeve its quicklace system enables you to fasten securely in seconds and be out the door in an instant features quicklace fastening 3d chassis sensifit system endofit technology gore tex waterproof breathable blkblkmagnet 85 42