NWT DR LUIGI Medical Footwear Slippers Size 5 Per the website - choose a size up as sizing runs a little small Color gray 100% Italian cotton Polyurethane sole Memory foam Designed specifically for those who have problems with: - Joints and spine - Circulation and varicose veins - Arthritis - Osteoporosis - Diabetes - Obesity ***indoor/outdoor/memory foam/comfort/medical/casual/slippers***