For high intensity activities in cold weather, you may not want or need the thickness and protection of some other hats. Instead, turn to the men's reflective cover, which offers the thermoregulation, moisture management, breathability and odor control of responsibly sourced merino wool in a single layer. In addition, for low light conditions, it has integrated reflective elements. Reflective elements for visibility in low light conditions Features Yarn combines the benefits of merino wool with the added durability of recycled polyester Knitted reflectivity provides 360 degree visibility Single layer jersey construction with inner sweatband lining Knitted in Vietnam: 55% merino wool, 45% polyester. Exclusivity of decoration. Style: SW011486 Machine wash cold, gentle cycle. Dry flat, do not tumble dry. Do not iron the decorations. Do not bleach Cool iron as needed Do not dry clean Wash similar colored clothes