OTTO CAP Boonie Hat, Highly Demanded Summer Hat!. The Crown offers a large area to showcase the artwork; Unstructured design for more flexible and comfortable wear, conforming to the shape of the head; Wide Brim for ample sun protection for your face, neck, and ears; Binding Trim helps reinforce the edge of the brim, providing structure and durability; The enclosed back offers a clean and sleek appearance; Black Cord with Cord Lock mechanism allows you to secure the hat in place by tightening or loosening the strap under your chin; Micro Mesh Performance Sweatband with Moisture Wicking