Six sizes : US6=9.16 inches, US7=9.42 inches, US7.5=9.69 inches, US8=9.96 inches, US9=10.2 inches, US10=10.47 inches. Only weights about 14.92 oz each pair. Made of breathable fabric, soft and elastic, easy to clean. This running shoes is made of high elastic and high density spandex material upper for superior softness, fashion unique durable. Casual design with lightweight shoes, breathable woven leather insole and durable padded outsole. Suitable for daily walking, golf, workout, tennis, casual, outdoor, tourism, camping, hiking, jogging, horse riding etc.