1- Authentic 100% natural sheepskin Shearling Leather Beanie Hat the best hat for outdoors activities in the winter such as skiing, snowboarding, snowball, hiking, trekking, motor sports, camping, hunting and other winter sports. 2- Cold Weather Russian Sheepskin Aviator Trapper Fur Hat. Size: S = 21 1/4 - 21 5/8 inches and 54-55 cm M = 22 - 22 3/8 inches and 56-57 cm L = 22 3/4 - 23 1/8 inches and 58-59 cm XL = 23 1/2 - 24 inches and 60-61 cm XXL = 24 3/8 - 24 3/4 inches and 62-63 cm