Porlox Mens Fall Winter Knit Cap Wool Warm Beanie Hat Dark Blue 100% Soft-Spun Acrylic keeps you warm and looking good in the cold weather Elastic, easy to stretch and one size fit most. Suitable for head circumference 21.26"-25.20" A great accessory for your winter or fall clothing Completely free of any chemicals. Kind to the skin and scalp. Will not cause rashes or allergic reactions