MEMORY FOAM: Designed with high density triple layer memory foam providing support for the sole and arch of the foot. The foam responds to body heat, providing relief and preventing rubs and pressure. Memory foam slippers conform immediately to your foot shape, providing structural support to your foot. FULLY FUR LINED: Premium grade faux fur is lined throughout these slippers from top to toe. Being fully fur lined you are able to wear your slippers with or without socks and they are renowned for their capacity to retain heat. DURABLE & ANTI-SKID RUBBER SOLE: Quality solid rubber sole which is waterproof and has an anti-slip design provides protection for the floor from scratches making these slippers perfect for indoor and outdoor use. VIVA Polar Women's Faux Fur Fluffy Plush Open Toe Slippers for Indoors in Black Size: 4