S/M
M/L
L/XL
HAT SIZING GUIDELINESMeasure circumference around head above eyebrow and at the widest part of head. Divide number by 3.14 for hat size, compare to table below.S/M: 6 7/8 - 7 1/4M/L: 7 1/8 - 7 1/2L/XL: 7 3/8 - 7 3/4