Windproof insert on the forehead to protect you from the cold.
Freedom of movement
Highly stretch fabric.
Why wear a hat for cross-country skiing?
Although it may seem strange, it is important to cover your head to keep your hands and feet warm.
Indeed, in extreme cold, the body will increase the blood flow to the heart and brain at the expense of the feet and hands.
So don't forget your hat, if you want to keep your hands and feet warm!