The Lineup is a high-performance outdoor boonie hat perfect for surfing, fishing, paddle boarding, and more. Made of sun resistant UPF 50 lightweight ripstop, with optional neckflap, earflap, and chin strap for a secure fit. With ultra cush moisture wicking sweatband, shock cord and toggle at back for securing your fit, and stash pocket inside for small valuables, this is the ultimate outdoor activity hat.