Turtles Fur makes a balaclava and liner in one to wear under a helmet or hood. Made with super soft and warm Micro Fur™ fleece, it is specially designed with a flat seam construction to fit well under jackets and lay flat underneath helmets. Lightweight and quick drying. The Comfort Shell™ hood hugs the head in breathable, warm and sweat-wicking fabric, which also features a soft brushed interior. Neck: 100% polyester, Hood: Stretch lite fabric, 85% polyester, 15% spandex, machine wash.