4D Mag XL + Bonus Lens Size:One Size This device is compatible with

This device is compatible with all Bluetooth Smart cycle computers and devices including popular smart phone training and fitness apps

Water Resist: 50 meters

Fixed mini-visor

Functional Fats

allowing for faster water drainage and added rebound

4D Mag XL + Bonus Lens Size:One Size This device is compatible withWhether you're dropping in on a hike to line or charging through a storm day at the resort, the Smith 4D XL goggles set you up with the best field of view possible. They combine the unmatched peripheral range of their BirdsEye Vision lens with an oversize XL frame and the terrain boosting optics of ChromaPop, so you don't miss a wind lip or terrain change. Smith's MAG lens change tech lets you swap lenses to match the light conditions with ease. Their