Acorn Spa Slide - Velvety soft, easy-care spa terry wraps the foot in comfort and style. Adjustable strap for fit and comfort. Fully cushioned and contoured footbed for at-home spa comfort. Unbelievable easy to care for- machine wash and dry. Fuller toe shape for enhanced comfort and fit. Acorn contoured footbed sole construction. Lofty Acorn memory foam insole heel to toe over comfort cushion layer of featherweight EVA. Enhanced raised heel and arch for stability and support.