men's russian traditional winter felt boots valenki 100% wool (14) valenki valenki are one of the warmest types of shoes in the world. the secret lies in the material of boots. natural wool perfectly retains heat and has unique properties. if you use the boots for hunting, fishing or constant work outside, take it one sizes larger (during use valenki will shrink). if the first time, they are too loose, put in them a insole - boots will only become more comfortable. valenki can be trimmed in height for a more comfortable walk. after use, clean valenki dry brush. dry boots near a heating duct at a temperature no higher than 40 c ̊. don’t dry boots on a radiator. don’t use in damp weather