MEN'S GORDON LYONS F/Z VEST. The Gordon Lyons Gilet provides lightweight breathable insulation to see you through colder days both on and off the trail. " Weight | 410g " Fabric | 150D 300g/m² 53% post-consumer recycled polyester, 47% polyester " Elastic binding on collar and armholes " Woven shell overlay on collar, armholes and hem " Reverse-coil front zip " Welt chest pocket with popper button closure " Exposed-zip hand pockets " Logo patch on chest pocket