Joe Nimble CityToes winter boots are very comfortable to pull on thanks to the ribbed leg part. The boots are made of water-repellent suede and have a warm felt lining. Material: water-repellent suede Lining: felt Sole: 6mm Vibram Terrain rubber sole Insole: removable 4mm thick cushioned felt Calf height: 13cm Minimalist measurements for the cityToes model UK size Size Inside length Width* 5 38 24.5 9.2 5.5 38.5 25.7 9.2 6 39 25.7 9.5 6.5 40 26,4 9.6 7 41 26.5 9.8 7.5 41.5 27 9.9 8 42 27 10.1 8.5 42.5 28.5 10.3 * Width measurement is approximate