Whether you prefer charging up technical climbs or blazing downhill, Oakley’s Prizm Trail Radarlock glasses are purpose-built to help you see the trail better, so you can tackle trails with more confidence. The Prizm Trail lens is optimized to help you easily distinguish obstacles such as rocks, sand, and hard-packed dirt so you always know what’s coming up. They also feature High Definition Optics for the highest level of optical clarity and they filter 100% of all UV rays while meeting the highest impact protection standards. The Prizm lens are just the beginning though. The frames use Oakley's lightweight O-Matter material and feature a rimless design for an extensive field of view. Additional lenses (sold separately) are easier than ever to swap out with Oakley's innovative Switchlock technology. Plus, the ear and nose pieces are made of Oakley's hydrophilic Unobtainium, which improves its grip when wet, so your glasses stay exactly where you want them, even during the most rigorous activities.