Cad designed, air flow technology, adjustable hearing system, forehead vents and goggles strap retainer. Anti-itch, sweat absorbing liner. Inner shell is made from shock absorbing eps for all safety standards. Soft metallic finish. Accepts uvex chinguard. Certification:ece Material:abs Process:matt. Lacquer Size:s.M.L.Xl. Net weight:4kgs/ctn