Clifden Prizm Snow Black Iridium Lenses, Matte Balsam Frame Sunglasses Clifden Prizm Snow Sapphire Lenses, Polished Black Frame Sunglasses Oakley Clifden Matte Black w Prizm Snow OK Hagen Valdres Clifden Prizm Snow Sapphire Lenses, Polished Black Frame Sunglasses Oakley Clifden Polished Black PRIZM Snow Black. Expedition ready mountaineering glasses from Oakley. The Clifden is an ideal choice for the harshest light on the highest peaks. Prizm lenses for enhanced contrast and detail sit within a composite frame featuring side shields, bridge blocker and integrated leash. Oakley Prizm Black lenses for enhanced contrast and detail Side shields for reduced glare Plastic composite frame Matte black frame Unobtanium nose pads and side shields 146mm arm length 17mm bridge 56mm lens size Case included