The whoosh of your buddy passing you through the rock garden is basically just an invitation to chase Youll be happy to oblige in these Smith Attack MTB sunglasses The maximumcoverage lenses use ChromaPotechnology to provide amplified detail and enhanced color so you can stay focused on the trail ahead The noslitemples and twoposition nose pad keethem in place over every baby head and wet root When you finally catch uand cruise back to the shuttle quickly swabetween the included brightlight and lowlight lenses using Smiths MAG lens interchange systemp