This is a warm wool sock. Dry and warm feet is essential for comfort. Wool has these properties and can absorb large amounts of moisture without feeling wet or loses its heating effect. Non-slip socks for adults and older increases security. Using non-slip socks is especially important for people with poor balance, loss of strength and / or those who suffer from dizziness. But obviously these socks can be used by all. Many accidents could be avoided using non-slip socks everyday.