Fit & Design Made of 100% polyester (87% recycled) plain-weave fabric with exceptional breathability and abrasion resistance; microtexture creates excellent next-to-skin comfort; a PFC-free DWR finish (durable water repellent coating that does not contain perfluorinated chemicals) resists moisture Breathable fabric (40CFM) and front-panel structure allow excess heat to escape quickly Lightweight performance Velcro(R) closure with elastic anchor for snug, active fit Lightweight, minimal headband made with miDori(TM) bioSoft for added wicking and softness, and HeiQ(R) Pure odor control for moisture and temperature management Fair Trade Certified(TM) sewn, which means the people who made it earned a premium for their labor Weight: 60 g (2.1 oz) Additional Details Crown and bill: 1.7-oz 100% polyester (87% recycled) plain weave with four-way stretch and a PFC-free DWR finish (durable water repellent coating that does not contain perfluorinated chemicals) Headband: 2.3-oz 100% recycled polyester double knit with miDori(TM) bioSoft for added wicking and softness, and HeiQ(R) Pure odor control Brim: NetPlus(R) 100% recycled fishing nets Fair Trade Certified(TM) sewn