4D Mag XL Low Bridge Fit | Ironwood Ygroup_RX use it as a changing

use it as a changing mat after mountain biking

for improved scratch resistance

AutoLock hinges hold frames open for easy one-hand on and off Includes

Reverb replacement lenses for varying conditions

Low nose bridge for wide field of view

4D Mag XL Low Bridge Fit | Ironwood Ygroup_RX use it as a changingVision Smith MAG lens change system uses magnets for quick, easy lens changes ChromaPop lenses enhance contrast and natural color to make the details pop BirdsEye Vision clarifies not just your line, but the riders in your periphery 5X anti fog inner lens for advanced fog free performance Over the glasses (OTG) compatible Provides 100% protection against UVA UVB Fit Integration Designed for ultimate integration with Smith helmets for maximum comfort,