Smith XC Sunglasses from Green Room inventory.Highlights Available frame and lens configurations: Matte Purple / Cinder / Hi Viz / Opal. Model references: XC. Available Styles Matte Purple / Cinder / Hi Viz / Opal / One Size: Head Back to the Future: Get the 80s feel with these Smith XC sunglasses from our 1983/84 Collection; retro vibes live on with a flip-up lens and heritage styling dating back to the Smith Cross-Country sunglasses | Unique Flip-Up Lens: The shield shape blocks out wind and snow, then simply flip the lenses to let the air in | Lightweight, Durable Frame: Built with sustainable Evolve bio-based frame material that’s lightweight and durable; AutoLock hinges hold frames open for easy one-hand on/off | Make the Details P.