Sakkas Unisex Wool Ivy/Golf/Driver/Flat/Irish Winter Hat/Cap Measurements: S/M ( 22" Circumference x 4" Deep Crown x 2" Bill ), L/XL ( 23" Circumference x 4" Deep Crown x 2" Bill ) 35% Wool 65% Acrylic. Imported. Dry clean only. Do not wash,bleach or iron. Hidden Sweatband. Attached bill. Padded satin lining.