Astral | Shoes | Astral Pfd Water Blue Sandals Mens 9 M 。Astral PFD Water Blue Sandals Mens 9 m River Rafting NC522U1 Buckle Shoes Great The heel strap buckles as well as the over the vamp straps... The blue PFD Sandal™ combines the secure and adjustable fit of Astral’s award-winning life jackets with the Balanced Geometry™ and legendary G Rubber™ grip of our world renowned Loyak™ water shoes. A Thwart Pad provides comfort while wedging under raft thwarts, and allows the PFD Sandal™ to be cinched tight to run, jump, swim and climb in and around the river. Exterior Length 11\" 27 CM Width 4\" 10