Epoch Men's Wool Felt Crushable Porkpie Hat W/Feather Medium Black High-End Superior Quality Porkpie Hat Classy Soft and Crushable Circumference: Approx. 21.3 to 22.5" for S/M and 23.5 to 24.5" for L/XL Brim Size: Approx. 2.0" 100% Wool Felt