This hiking sun cap can protect your face from sun light,it can provide 360 degree protection. The ear flap and neck cover is removable,if you don't need to use it,you can quickly remove it and store. It is adjustable,the back has adjust strap,is fit for women and men to wear. Mainly made of cotton,the hat is comfortable to wear,the fabric is durable and long lasting,anti-wear. It is suitable for many occasions to wear,such as hiking,fishing,camping,mountain climbing and more. Material:Polyester fiber. Color: khaki/green/dark gray/light gray Size: Free size(18+22*8+29) Package included:1* Hat. Note There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement.