A beanie is a must have accessory for your out door wardrobe, especially in those colder conditions. Patagonia are pioneers in the outdoor field and have though everything through, even how to keep your head warm in the tougher climates.
96% recycled polyester/4% spandex
Not-to-warm itch free recycled polyester and spandex
1×1 rib construction / heat trapping
Low-profile fit can be paired with a climbing helmet for example