Wool Blend Hats- Black 50% wool, 50% polyester and Brown, Charcoal made 60% wool, 40% polyester / Herringbone patterns made with 10% wool , 90% polyester. Size- Approx SM 21 7/8 – 22 , LXL 22 5/8 – 23 measurement is made around the inside of hat. Front brim is 2 inches. Crown is 4 inches high and 1 inch non removable band around crown. Trilby Hats- This classic trilby features a self fabric band with a teardrop shaped crown and narrow-brimmed. It is very soft and excellent thermal insulator hats. Casual and Formal Style – It is great a casual and formal hat ! You can wear hat with casual outfit as jean, shorts and formal look. It would be best item for upgrading your look. Perfect winter hat- Wool blend trilby hat is perfect winter hat for staying warm while looking cool. It provides excellent thermal insulator and keeping warm all your cold seasons.