100% Thick Acrylic, Very soft and Warm. | One size free suit for most ,best fit for head circumference:21.5"-23.0"(55-58.5cm) | The long knit cuff beanie will keep your head and ears warm during outdoor activities including ice skating, snowboarding, skiing, hiking, and walking the dog. | Unisex Style - Great for Both Men & Women. | Paladoo High Quality Beanie - Our black mens beanie cap come with a lifetime warranty and a 100% money back guarantee. If you have any question please feel free to direct us. We will respond to you at the first time!