The Marmot Windstopper Beanie is a comfortable cap made out of Windstopper Soft Shell fabric. Lightweight, weather-fighting armor for your head, the Marmot Windstopper Beanie's GORE WINDSTOPPER fabric and a flexible Polartec panel make up this sturdy, amazingly warm beanie. The WINDSTOPPER Beanie is breathable, windproof and water-resistant. Its streamlined cut even allows it to be worn under a helmet or heavier headwear. Perfect for any chilly day’s activity, the Marmot Windstopper Beanie is an ideal winter companion!