SK Hat shop Men's Winter Herringbone Duck Bill IVY Driver Cabby Cap Hat Fabrication: 35% Wool 65% Acrylic Size: One size for men, ladies and teens - S/M (Head measurement: 56cm, 22", Size 7), L/XL (Head measurement: 58cm, 22-3/4", Size 7-1/4) Hat under visor: 2-1/2" Height: 4-5/8"