Duck Down, feather filled, water resistant shell and soft lining offer a great outdoor look that provides comfort and warmth. Patented behind-the-head design fits comfortably over your ears and allows them to be worn with other headwear and head protection. Adjustable click-to-fit- frames allow them to comfortably fit a wide variety of head sizes. Collapsible for easy storage in a pocket. purse, briefcase, or bag.