Designed to go everywhere with you, the superlight, water-repellent Sun Stash Hat easily packs into its own envelope pocket for on-the-go protection when you need it. Body: 50D 100% Polyester Ripstop With Durable Water-Repellent (DWR) Finish. Lining: 40D 100% Polyester Ripstop With DWR Finish. Screen-printed logo on center front. Super-lightweight polyester. Stashes into a button-closure envelope pocket. Reversible.