Galvin green boo knitted hatboo knitted hat in a woolacrylic blend with awindstopperreg lining warming and completely windproof shell layer windstopperregtotally windproof effectively protects against windchillmaximum breathability that allows moisture vapour to evaporatethermoregulatory function keeps the body at an optimum performancetemperatureperfect fit for maximum comfort and freedom of movement speciallydeveloped for golferseasy to wash and maintain just regular machi