The Guide&&';;s Choice has been reimagined to exceed the needs of our most demanding customers. Incorporating our most advanced eyewear technologies, this style boasts wide temples and an aggressive wrap for superior light protection. Add to that premium Italian spring hinges, megol nose and temple pads, a detachable sunglass leash, and premium 8-base ChromaPop(TM) and Techlite glass lenses, the Guide&&';;s Choice is engineered for those that truly believe in the life outside walls. Medium-Large Fit/Large Coverage Anti-Reflective and Hydroleophobic Lens Coatings Hydrophilic Megol Nose & Temple Pads Includes integrated & detachable sunglass leash Out-of-sight spring hinges Evolve frame material 8 Base Lens Curvature