Baby Bare Febo leather winter boots have a breathable and waterproof TEX membrane, light and flexible 3mm rubber sole. The upper part is made of soft breathable leather, inside there is a warm cotton fleece lining. All boots, except the golden ones, have the toe part covered with Asfaltico material, which protects the boots from wear. Suitable for medium and wide feet, low and medium height feet. Upper: Leather Lining and insole: cotton fleece breathable and waterproof TEX membrane Sole: 3mm rubber We recommend taking care of smooth leather shoes with Goldenmix conditioner, which cares for and protects the leather and makes the shoes more moisture-resistant. Minimalist measurements for the Febo Winter model Size Inside length Width 21 13,5 6,3 22 14 6,4 23 14,5 6,5 24 15,5 6,6 25 16,2 6,7 26 16,8 6,9 27 17,6 7,0 28 18,2 7,2 29 19 7,3 30 19,4 7,4 31 20,5 7,8 32 21 7,9 33 21,8 8