Fit & Design: Crushable design is travel-friendly Sunglass Lock™ keeps glasses in place Reflective details for visibility One size fits most Technology: UPF 50+ sun protection prevents harmful UV rays from reaching you Wicking sweatband keeps you dry and comfortable PFA-free durable water repellent finish keeps moisture out Additional Details: 2 and 3/4" crushable brim Hand wash cold, line dry. Do not bleach, iron or dry clean