100% Nylon 100% NYLON 5-PANEL DESIGN: Your Wallowa Camp Hat is manufactured with 100% Nylon that is durable, breathable, packable, lightweight, and extremely quick-drying. The highly breathable and form-fitting 5-panel design lets you forget it??s even on your head while it keeps the sun out of your eyes or the rain off of your face while climbing, kayaking, hiking, fly fishing, canoeing, boating, camping, or just hanging at the beach. WATER-SHEDDING BILL: The bill of the Wallowa Camp Hat is constructed of water-log-proof polyethylene material ?C so no more soggy bills or ruined hats from wet adventures. NYLON WEBBING/ADJUSTABLE SNAP CLOSURE: Adjustable nylon webbing/snap closure system adjusts to accommodate a wide range of dome sizes (accommodates head diameters of approximately 20.5-23.5). LIGHTWEIGHT AND PACKABLE: The Wallowa Camp Hat weighs only 48 grams (1.69 ounces), and packs down to the slim profile of the bill, so it can be easily stowed in pockets, bags, or backpacks. 25% FOR THE ENVIRONMENT: We are committed to giving 25% back of our proceeds to the environment (tillak.com/about). This makes the Wallowa Camp Hat the perfect gift for any outdoor men or women while giving back to protect the environment.