Premium quality 100% acrylic outer and 100% silky satin lining,warm and cozy; AZO Free acrylic,protecting your natural hair from damage; Our satin lined beanie is the best choice to protective your hair in cold winter;does not dry out your hair;our hair is vulnerable to damage every time we step out into the wind,sun,and cold. This luxurious satin is so gentle that it does more than just feel good,it locks in moisture and protects our hair from breakage and split ends and reduces the"frizzy hair blues".