Smith Optics SynclineGoggle like coverage for fast descents and a bonus clear lens for low light days. Description Keep your eyes on the trail and your stoke high with the wide coverage of the Smith Syncline sunglasses. You can count on a goggle like fit and feel with ChromaPop lens technology for natural color and enhanced contrast to pick your line. An integrated bumper on the frame ensures a chatter free interface with your helmet, and built in venting keeps the view