Form and function meet in our Rio Bravo Collection. Featuring stylish contrast stitching on the upper with neoprene linings, a molded EVA footbed, and a lightweight rubber outsole for comfort, the Nunn Bush Rio Bravo Three Strap River Sandal is ready, no matter where the summer takes you.''Durable man-made upper' Hook and loop enclosure for a custom yet comfortable fit' Neoprene linings for moisture management and durability' Open cell foam compound footbed that absorbs the pressure of each step and provides all-day comfort. Sizing: True to size. M=medium width, W=wide width