Patagonia Duckbill Trucker Hat - Lago Blue. Its moisture-wicking design keeps you cool and comfortable, while the casual and soft material adds a touch of laid-back charm. Plus, with a stylish mesh back, you'll be the coolest at any event. The brim and front are made of updated Baggies™ fabric backed by foam; open mesh on rest of cap dissipates heat. Foam brim can fold into a pocket and rebound to its original shape. Dark underbill reduces glare. COOLMAX® fabric headband wicks moisture. Adjustable rear buckle with elastic for snug fit. Crown and brim: 4.3-oz SUPPLEX® 100% recycled nylon with a DWR (durable water repellent) finish. Panels: 4-oz 100% polyester warp-knit tricot mesh Headband: COOLMAX® fabric Fabric is certified as bluesign® approved.