evo.com | Outdoor Research Fashion Hats > Rain doesn't wait for a break in your hike, and neither should your gear. The Outdoor Research Stratoburst Rain Hat is built to shed downpours with a packable, weather-resistant design that keeps your head dry without adding bulk to your pack. Packable bluesign(R) approved Ventia(TM) 2.5L 100% Recycled Polyester / 50D Mechanical Stretch Plain Weave Fully Seam Taped Adjustable Back Cinch Floating Foam-Stiffened Brim | Outdoor Research Stratoburst Rain Hat 2027 - Small in Green | Polyester