Native Eyewear Wells Polarized Sunglasses - Obsidian Black Tortoise/Silver Reflex - Understanding the need to be spontaneous is not to be overlooked. With this in mind, the Wells is designed with a square-shaped lens, streamlined temples, and a face-hugging fit that won't let go, even during the most unplanned of situations. Constructed of plant-based resin and finished with precision-cut metallic foil logo detailing, this frame only leaves to the imagination what adventure to embark on next.