The Patagonia Brimmer Hat offers superior 40+ UPF sun protection and reliable shade for extended outdoor adventures. Perfect for hiking or river trips, it even floats if you happen to fall in the water. Crafted in a Fair Trade Certified™ factory, this hat combines safety, versatility, and ethical production. Features Main fabric is built of 100% recycled polyester stretch ripstop that's treated with a durable water repellent (DWR) finish made without intentionally added PFAS, and 40+ UPF sun protection and a wide brim help keep the sun off you. Mid-crown fit with a 3" brim; available in two sizes. Foam brim and lightweight construction keep this hat afloat if it ends up in the river. Adjustable drawcord chin strap keeps the hat in place, even in windy conditions. Lightweight, low-profile sweatband offers moisture and temperature management. Specifications Weight: 68g Materials: Main body: 2.7-oz 100% recycled polyester stretch ripstop with a durable water repellent (DWR) finish made without intentionally added PFAS, and 40+ UPF sun protection Underbrim: 4-ply, 4.9-oz NetPlus® 100% postconsumer recycled nylon faille made from recycled fishing nets to help reduce ocean plastic pollution; with a DWR finish made without intentionally added PFAS. Sweatband: 2.3-oz 100% recycled polyester double knit. Underbrim fabric is certified as bluesign® approved. Care Instructions: Machine Wash Cold Gentle Cycle, Do Not Bleach, Line Dry, Do Not Iron.