Its cold and wool socks are great at keeping feet warm. They absorb moisture and keep the wet and cold away from your feet. If you avoid moisture you avoid blisters. Wool is breathable too preventing your feet getting too hot, wool socks will help maintain your foot temperature, keeping it constant.
Curly sheep mean curly wool fibers like little springs that form a natural cushion.
Wool is naturally antibacterial so will help control any unwanted foot odour.
Wool can be dyed into many fantastic colours and woven into many fun patterns, and Merino wool is so very fine and soft socks can have all the benifits of wool without taking up too much room in your shoes.