The Chaco Men's Z/2 Classic Sandal is a durable sandal for in and out of the water activities. Place your foot inside and adjust the webbing straps to secure your foot to your personal preference. I like mine tight but not too tight. From there the bottoms of your feet revel in the Luvseat PU Footbed, enjoying arch support and comfort from morning to night. The ChacoGrip rubber Outsole grabs rock (wet or dry), dirt, sand, even city sidewalks to help you stay upright for the whole adventure. Features of the Chaco Men's Z/2 Classic Sandal Polyester jacquard webbing Upper wraps around the foot and through the Midsole for a customized Fit Toe loop for secure Fit Adjustable and durable High-tensile webbing heel risers Injection-molded ladder lock buckle Luvseat? PU Midsole Antimicrobial application for odor control Non-marking ChacoGrip? rubber compound 3.5mm lug depth