The trail-ready Smith Attack MAG Mountain Bike Sunglasses deliver the ultimate in advanced performance and customisable protection. The MAG quick-release magnetic lens change system enables rapid transitions to easily match varying light conditions. Riders can quickly alternate between the included bright-light and low-light ChromaPop™ lenses, which deliver precision detailed optics and impact protection. The adjustable two-position nose pad delivers a custom fit for both narrow and wide profiles, plus non-slip megol nose and temple pads keep the sunglasses in place, responding with increased grip as you break a sweat. A low-profile ventilation channel in the brow ensures fog-free vision. The Smith Attack MAG MTB are the advantage performance eyewear to advance you a notch above.