From Blauer’s website: Our warmest and most comfortable winter headwear protection to date. Lightweight, fully piled lined, washable warmth for those long cold days and windy nights. Heat retaining pile lining in the crown and covering the ears. Rugged water-repellant Dobby Nylon outer shell fabric with breathable backcoating Waterproof, windproof, breathable Waterproof fabric lining Insulated pile lining for warmth and protection in harsh winter conditions Pile-lined flaps secure up over the crown or down to protect ears with adjustable strap Badge eyelets on front flap Size M Dark Navy Husband purchased but got the wrong size and missed the return cutoff