The sun-blocking L.L.Bean™ No Fly Zone Boonie Hat is all you need for picnics or day outs with fam on hot sunny days. The hat features a Coolmax sweatband and wicking, quick dry quality with great wind resistence, UPF 50+ protection, and hook-and-loop closure. Material:Body Fabric: 71% polyester, 29% nylon;Under Brim: 100% nylon. Hand wash only. Imported. View Zappos.com Glossary of Terms L.L.Bean No Fly Zone Boonie Hat