The world's most comfortable slippers for home, gym, yoga, pilates, and travel. Made with neoprene, these Nufoot slippers are 4 way stretch and can accommodate several shoe sizes. The fabric is anti-microbial and protects your feet from germs on the floor, in the shower, hotels, or hospitals. Great gift for mothers, friends, kids in college (aka dorm socks), and travelers. Easy care, just wash gentle cycle cold and air dry.