"This hat with UPF 50+ fabric is so airy and lightweight, you could easily forget you're wearing it, which means you're more likely to leave it on your head." — Wirecutter Hear that? It's the call of the wild—don't forget your Ultra Adventure Hat! The Ultra Adventure Hat is updated with a slimmer silhouette and fun technical details like our Clamshell Brim™ and Sunglass Lock™, but still retains the sun protection, ventilation, and moisture management of our iconic Adventure Hat. Also available in 100% waterproof version - Ultra Adventure Storm . Features & Specs UPF 50+ Sun Rating (includes mesh) 3¼" Brim and 6" Neck Cape Sunglass Lock™ Keeps Glasses in Place Wicking Sweatband PFAS-free durable water repellent finish Adjustable Sizing bluesign ® main body fabric, mesh, and sweatband Reverse Split Brim ™ packs small and flat US Patents 10,123,581; 10,098,398; and D827,990 and Foreign Patents Weight: 2.6 ounces/73.7 grams