Native Eyewear Catamount Polarized Sunglasses - Dark Crystal Grey/Green Reflex - Inspired by the iconic mountain lion of the American West, this style embodies a competitive spirit that won't stop pushing the limits. This semi-rimless frame is feature packed with co-injected cushinol, adjustable Cushinol nose pads and ensures your vision is poised for the win. Premium Polarized Lenses: Native lenses protect against UV rays, defending your vision against long-term sun exposure. ​Bio-based Frames: Native Eyewear Bio-based plant resin is a high-performance material which is both extremely lightweight, yet durable enough to resist temperature extremes. Hypoallergenic Cushinol: Nonslip grip to keep your sunglasses in place while you are getting after it. ​Easy to Clean: Resists water, dust, dirt, oil and fingerprints while preserving the appearance of the lens against wear and tear.