Built with eco-friendly recycled plastic and durable polycarbonate lenses, Sunski's Portola Sunglasses are made for the modern-day wanderluster. Durable materials hold their structure against wear-and-tear for long-lasting use while you play at the beach and explore the mountains. Polarized lenses protect your eyes as you gaze into fiery sunsets and glistening reflections at alpine lakes. Proposition 65 Warning for California Consumers: This product contains chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm.