The Polartec Stria Cowl is a generous neck warmer constructed of breakthrough fabric that uses recycled Repreve yarns in conjunction with Striated texture to provide superior eco-friendly technology. Double-layer Polartec Thermal Pro Stria Fleece, a recycled fiber. Lined with Micro Fleece. 100% Polyester (53% Recycled). Perfect for hiking/backpacking, skiing/snowboarding, and snowshoeing.