Natural shearling hats are cozy & warm, long lasting, and have water resistant properties. They are a perfect balance of function and fashion. Features:• 100% Genuine Sheepskin• Natural twinface shearling• Water repellent leather• Merino wool insulation• Breathable and comfortable fit• Ear flaps can be secured up or down with leather straps• Warm in temperatures to 15⁰F• Made in Europe SizingTo determine your hat size, measure around the circumference of your head with a flexible measuring tape. Position the tape over your eyebrows and just above your ears. You can also use a piece of string in place of the measuring tape, and then measure the length of the string. Use this size chart to determine the best size. Label Sm Med Lrg X Lrg XX Lrg inches 21 1/2 22 1/4 23 23 3/4 24 1/2 cm 54-55 56-57 58-59 60-61 62-63 US size 6 3/4 7 7 1/4 7 1/2 7 3/4 Buying TipsIf you are in between sizes, then we suggest sizing up to the larger option.If you are buying a hat as a gift, keep in mind that the average male head size is size Large and the average female head is a size Medium