An incredibly light and airy sandal. All straps are adjustable so the sandal fits perfectly on the foot. The outsole is in lightweight and shock-absorbing Phylon & rubber which provides comfortable weight. The insole is foot-shaped for best comfort. Upper material: Textile Outsole: Phylon & Rubber. Size & Inner Dimensions: 28 = 187 29 = 193 30 = 200 31 = 207 32 = 213 33 = 220 34 = 227 35 = 233 36 = 240 37 = 247 38 = 253 39 = 260