Valenki not only warm, eco-friendly, comfortable, but also healthy! Contained in sheep wool lanolin (animal fat) has a water-repellent and drying effect, which removes moisture from the feet, allowing them to remain always dry. These properties of sheep wool will help to cope with colds faster, relieve rheumatic pains, and prevent inflammation. Dry heat helps to get rid of nerve spasms, accelerates the healing of wounds and even fractures, prevent inflammation. In warm felt boots, tired legs stop whining.