Shift XL MAG Lens:ChromaPop Photochromic Clear To Gray Fine tune your kit with

Fine tune your kit with additional or replacement lenses for sunny conditions

Dual vent regulators let you independently fine-tune airflow across the top and sides

silicone backed strap

It's the little things that make a difference

21 fixed vents and our AirEvac ventilation system keep the air flowing

Shift XL MAG Lens:ChromaPop Photochromic Clear To Gray Fine tune your kit withFull speed ahead. The Smith Shift XL MAG sunglasses are an oversized shield made for maximum coverage and performance on the bike and trail. Their wide shield coverage maintains full vision at speed while ChromaPop brings every detail of the road and trail to life with enhanced contrast and natural color. Smith MAG interchangeable lenses use a magnetic clip for quick, fingerprint free lens changes. Combined with a lightweight frame and non slip nose