This headband keeps out the cold, it is made from a ribbed merino and acrylic wool combined with nylon inserts that protect from wind. The Martha headband will keep your temperature well regulated, and dry quickly on the move. For winter days when you’re out enjoying yourself on the slopes or refuelling on nature’s energy, it’s the simplest, most effective way to keep your head and ears warm and comfortable. The padded nylon insert protects you from the wind.