Sole material: rubber foam Inner material: pigskin microfiber Upper height: low top Heel shape: Flat heel Sole process: sewing shoes How to wear: sleeves/overshoes Insole Material: Pigskin Microfiber Size 30, Foot Length: 196mm-200mm Size 31, Foot Length: 201mm-205mm Size 32, Foot Length: 206mm-210mm Size 33, Foot Length: 211mm-215mm Size 34, Foot Length: 216mm-220mm Size 35, Foot Length: 221mm-225mm Size 36, Foot Length: 226mm-230mm Size 37, Foot Length: 231mm-235mm Size 38, Foot Length: 236mm-240mm Size 39, Foot Length: 241mm-245mm Size 40, Foot Length: 246mm-250mm Size 41, Foot Length: 251mm-255mm Size 42, Foot Length: 256mm-260mm Size 43, Foot Length: 261mm-265mm Size 44, Foot Length: 266mm-270mm Size 45, Foot Length: 271mm-275mm Size 46, Foot Length: 276mm-280mm Size 47, Foot Length: 281mm-285mm Size 48, Foot Length: 286mm-290mm Size 49, Foot Length: 291mm-295mm Size 50, Foot Length: 296mm-300mm