The Helly Hansen Polartec Neck is a lightweight and stretchy neck warmer made from recycled polyester. It is designed to keep you warm and comfortable in cold weather. The neck warmer is made with Polartec Classic 100g Microfleece, which is a soft and breathable fabric. It is also 4-way stretch, which allows for a comfortable fit. The neck warmer is perfect for a variety of activities, including skiing, snowboarding, hiking, and running. It is also a great option for everyday wear.