Polar Beanie. Sport style hat ideal for hiking, trekking and skiing in cool weather. This Polar & EcoStretch hat is made of two layers for better protection from the cold. Made using recycled materials and designed for breathability and to stay warm in winter. If you are looking for a winter hat with a polar fleece feeling, this is a comfortable and warm alternative. Soft and warm hat, perfect for low-medium intensity winter activities like bouldering, climbing, trekking, hiking and skiing