Women's Nufoot Neoprene Ballet Flats with Non-Slip Soles - Set of 3 Black Multi Neoprene Protect your bare feet at home, the gym, and when traveling Antimicrobial neoprene for protection against athlete's foot from public showers and pools Four-way stretch material molds comfortably around your feet Step safely on slick surfaces - non-slip, grippy soles Easy-to-clean water resistant material, completely machine washable