From OOFOS, the Men's USA OOahh Machine Washable Slide Sandals feature:  Closed-cell OOfoam™ construction Recovery sandal High impact absorption with soft feel Adjustable Velcro® strap for customized fit Waterproof, washable, and odor-resistant OOfoam™: Engineered to absorb 37% more shock than traditional footwear materials Biomechanically Designed Footbed: Promotes natural movement and reduces joint stress Closed-Cell Construction: Resists bacteria buildup and moisture retention Imported.