Adjustable Full-Brim Hat. Waterproof, light, and packable. When the sun packs a punch or the clouds let loose, the Burton Greyson Boonie Hat keeps you covered and doing your thing. It's your hiking and all-around summer fun hat. Just cinch the cord and keep on keeping on. It's light and packable enough to stuff in a pocket when not needed. Low-Profile Fit Low-profile fit sits close to the head. Lightweight, Waterproof, Packable Three-layer waterproof, breathable material keeps you dry when the weather turns wet and keeps it light enough to stuff into a pocket. Low Environmental Impact Bluesign® approved product uses responsibly produced and recycled materials and PFC-free DWR for a reduced impact on humans and the planet during manufacturing. Fabric 100% Recycled Polyester Features + Tech Adjustable Cinch Cord and Cord Lock Auto-Locking Elastic Cinch Cord Low Profile Fit Warranty Lifetime Warranty