100% Cotton 1.Material:100% cotton,Very Soft,Breathable and helps keep you cool in the sun. 2.Packable:The tough,yet extremely packable fabric can be worn folded up or down in various styles while still maintaining its shape.Packable and super convenient to carry,can also be easily carried inside your bags,suitcase,tote or purse. 3.Size:Unisex sun hat,snug and cosy fit.Diameter(inch):12.8 Inch. Ideal for Head circumference:22.04-23.62 Inch. 4.Suitable:Perfect for outdoor activities,such as fishing,hunting,hiking,camping and beach.Enjoy the outdoors in comfort and style. 5.Summer Hat:Makes a perfect gift for both men and women (unisex) who enjoy spending time outdoors and in nature.