PATAGONIA Airshed Cap Forge Grey. Made for high-output sports and the brewpub afterward, a lightweight, exceptionally breathable (40CFM), fast-drying, go-to 100% polyester (87% recycled) cap with a brim made of miDori® 100% recycled fishing nets. Fair Trade Certified™ sewn. Lightweight performance Velcro® closure with elastic anchor for snug, active fit.