Bailey of Hollywood Men's Golf Visor Hat - UV Protection & Moisture Wicking for Outdoor Sports, Running, Tennis & Summer Activities

100% cottonSnap fastener on the brim in order to unmount itLining: 100% cottonBrim: 5 cmAdvice for sizeSimply 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.