Low water absorption materials for quick drying. Outside drainage ports in heel and forefoot to promote water drainage. Air mesh upper and synthetic overlays for added breathability, drainage and support. Elastic lace with locking toggle for an adjustable and secure fit. Removable contoured exposed EVA footbed for all day comfort and support. Non-marking rubber outsole with Wave-Siping and heel cup for the ultimate in wet/dry traction. Made in China.