OverviewBorn with a strong sense of adventure, Drifter begs for exploration. Built with an 8-base frame and incredible grip, Drifter's sharp lines and Ellume Polarized lens help guide your way. Ellume Polarized lenses eliminate glare and block 100% of harmful UV rays, protecting against the risk of long-term damage to your eyes. Zeal Optics frames and Ellume Polarized lenses are made from Z-Resin, a unique plant-based polymer derived from the castor plant. This durable plant-based material contributes to lighter frames and creates a high-purity lens for cleaner, crisper vision.