Goorin Brothers Wheels Cadet Army Cap Size L Green

97% acrylic - 3% spandex. Brim: 4,5 cm. Simply measure the circumference of your head holding the measuring tape snug, but not too tight. Just above your ears - which is right about where your hat will sit. No measuring tape? No problem. Cut a 30'' piece of string. Use the string to measure your head, then measure the length of string used.. Simply measure the circumference of your head holding the measuring tape snug, but not too tight. Just above your ears - which is right about where your hat