The O'Neill Men's Lancaster Hat is perfect for explorers to stay protected from long ventures under the sun. This hat is made with a lightweight poly feel with UPF 50 sun protection which will block harmful sun rays from scorching the fun. It features metal mesh eyelets to let heat or sweat out as well as a detachable drawcord so you wear it close or snugly on top of your think tank. The O'Neill Men's Lancaster Hat is your best defense against the heat so you can focus on the adventure!