RWG4722 RWG4722 Standard Goatskin Keystone Thumb Leather Driver Size:M Flame resistant soft foam padding Size:40" Flame resistant soft foam padding forms a seal to keep out dust and airborne particles Comes with both temples AND elastic headband strap Temples and strap snap in or out…easily converts from a safety glass to a dust goggle and back Bayonet nylon temples with rubber tips for a secure fit Molded nose bridge design to fit the vast majority of users 8 Base curve lens +3 It has strong double welded seams for durability and reinforcement and poly cotton thread The Radians RWG4722 Standard Goatskin Keystone Thumb Leather Driver has a shirred elastic wrist