First came the Adventure Hat, then the Ultra Adventure Hat, and now…introducing the Ultra Adventure Storm Hat: what we like to call the world’s best rain hat. Featuring 100% waterproof seam-sealing technology, this hat is easy to fold, stash in your pack, and perfect for backpacking or hiking in the rain! The Ultra Adventure Storm Hat breathes, fits comfortably, and has a chin strap so it stays put in high winds. Wherever your adventures take you, this hat will keep you dry. Guaranteed. Vietnam Imported Material & Care Nylon Clean with a damp cloth or soft brush.