Men's 100% Soft & Crushable Wool Derby Bowler Hats W/Feather HE45 100% Soft and Crush-able Wool . Removable Feather Fully Satin Lined Interior S/M : 21 1/4" - 22 5/8" , L/XL : 22 3/4" - 23 1/2" Brim : 2" wide . Crown : 4.5" Depth.