A. Product composition: Rabbit hair. Lining composition: Quilted polyester fiber. B. Size chart: - Size S: Suitable for head circumferences around 54 - 56 cm. - Size M: Suitable for head circumferences around 56 - 58 cm. - Size L: Suitable for head circumferences around 58 - 60 cm. - Size XL: Suitable for head circumferences around 60 - 62 cm. C. This hat is warm, comfortable and fashionable. You can tie the earflaps on top of your head, or let them down for added warmth and comfort. There is also another wearing way - tie the earflaps behind your head so that your cheeks are exposed while your neck stays warm. D. This Russian aviator - style hat is suitable for protecting against the winter cold winds and blizzards. It is soft, flexible and beautiful. This hat can keep you comfortable and fashionable throughout the winter. E. It is suitable for wearing on cold outdoor days, whether you are skiing, snowboarding, sledding, hunting, or in other situations where you need to stay warm and look stylish.