Designed for mountaineering, these Oakley sunglasses feature side shields, a bridge blocker and more Reach the summit in style wearing our Oakley Clifden Mountaineering Sunglasses. Specially designed to protect you from the elements, these glasses have all the best tech and features to help you reach your goal.The lightweight frame highly functional, with an interchangeable and removable bridge blocker as well as Unobtainium side shields to protect your face from glare. Unobtainium nosepads mean the sunglasses will stay securely in place, even when youre perspiring. The Clifden also benefits from a tough yet flexible integrated steel leash, so you can focus on the trail ahead without worrying about the whereabouts of your sunglasses. As a finishing touch, Oakleys Prizm technology increases the range of suitable conditions compared to a regular lens. Oakley lenses are impact-protected, offering uncompromised protection even in the most demanding conditions.