Available Sizes for Men and Women: Medium (22-1/2" or hat size 7-1/8) with Cotton Foam Sweatband Large/Extra Large (22-3/4" - 23" or hat size 7-1/4 - 7-3/8 with Stretchy Sweatband To determine your hat size: Measure around your head with a soft tape or string, about 1/8" above your forehead and ears. Keep it snug but not tight. Choose the larger size if you fall between sizes. Brim: Approximately 4-1/2" - 5" Crown Height: Approximately 4" front, 5" side Brown nylon chin strap with plastic bead Hand-woven in Mexico Natural palm leaf Mid-tone honey palm straw color UPF 50+ sun protection Fair Trade Certified product Each hat is handwoven from natural palm, with slight variations in color, weave, and fit.