Size: Adult, One Size fits most. Also fits Juniors and Teens; Dimensions - 10.5"(w) X 16.25"(h); Weight - 2.1 oz. Heavyweight Double-layer Micro Fur Fleece Neck - 100% Polyester Hood: Comfort Shell Performance Fabric - 92% Polyester / 8% Spandex Machine Wash Cool, Tumble Dry No Heat Perfect for skiing, snowboarding, snowmobiling and many more outdoor adventures. A balaclava truly built for winter's harshest days, this Shellaclava™ is comprised of a hood made of our technical performance fabric and a neck made of two layers of decadently soft Micro Fur™. Designed to be worn under a hat or helmet, it's both breathable and quick-drying, so it can keep up with you, no matter the adventure.