This panama hat is designed to fit head sizes between 22 and 23 inch.80% paper straw 20% Nylon. The materials are high quality, natural, healthy, no bad smell, breathable, lightweight, comfortable when you touch, do not fade, and UV Protection so you can wear the fedora sun hats without worry. It is a unisex hat. Both men and women love trilby fedoras, wear them frequently.You can wear the wonderful trilby fedora in many occasions like in the park, church, race events, traveling and many outdoor activities, you can also wear it with jeans, shirts, jackets in a modern city, dress in style.