Hunder Multi - Polar Neckwear. Multifunctional neck polar Neckwear by BUFF®. Stretchable and versatile neck accessory made of a lower fleece and an upper microfiber Neckwear. 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. Design: Patterned. Size: One Size. Designed for adults. UPF 50.