Flexibility counts. The Seneca wool felt makes this Ultrafino traveler hat crushable, packable, and durable against water, oil, and dry soil. A classic style with a pinched diamond crown and slim leather handmade hatband for added style. The Seneca is all you need. 100% Australian wool felt. WOOL FELT: Australian Felt is one of the most popular materials for making hats. It keeps you nice and warm on winter days and is breathable. QUALITY: The high-quality Australian wool offers optimal protection against external factors such as water, oil, and dry dirt and can therefore be worn in the rain. FOLDABLE: The material of the wool hat makes it foldable, so you can easily take it with you on journeys. HAT BAND MADE OF SUEDE LEATHER: The hat is a timeless classic and impresses with its sophisticated hat band of suede leather and clean design. PERFECT FIT: The unisex hat can be worn by women or men and is available in various sizes (head circumference between 54 and 63 cm) Material: 100% Australian Wool Brim: 2 1/2" Crown: 4 1/2" Pinched Hatband: 1" Slim leather handmade hatband. Made by a local artisan in Seattle, WA. Color Tan Shape: Pinched crown Interior: Lining Made in the USA. SIZING To measure your head at home, take a measuring tape around the circumference of your head at a finger's width above your ears, above your eyes, and around the widest part of the back of your head. Don't make it too tight. 55 cm - 6 7/8 - Small 57 cm - 7 1/8 - Medium 59 cm - 7 3/8 - Large 61 cm - 7 5/8 - Extra Large 62 cm – 7 3/4 - 2XL