Polar Primaloft Bio Alsien. Multifunctional neck polar tubular by BUFF®. Stretchable and versatile neck accessory made of a lower fleece and an upper microfiber tubular. Designed to maintain body temperature in cold weather conditions during outdoor. Ideal for hiking and snow sports like cross-country skiing, downhill skiing and snowboarding, DETAILS Using comfortable fleece fabrics for a superb warmth and an extremely soft and gentle feeling. Designed for protection and comfort. This product contains 2 recycled plastic bottle. There is no trick, it's called sustainability! Highly stretchable product designed for top comfort and performance. Designed to wick away moisture in an efficient and fast way. Ideal for high intensity activities. UPF 50 certified sun protection against ultraviolet (UV) radiation produced by the sun. Buff Polar Primaloft Bio Alsien Black