The Swingarm is lightweight and heavy duty. Purpose-built around the innovative double action hinge system, it offers uncompromising fit and function. Electric's® OHM incorporates melanin-infused lenses that block harmful UV and HEV blue light, relaxing your eyes and providing vivid, crisp, haze-free vision. Polarized lenses eliminate 99.9% of glare, offer 100% UV protection and provide true color perception Up to 98% blue light protection OHM - Optical Health through Melanin OHM lightweight polycarbonate lenses OHM acts like SPF 140 for your eyes, prolongs retinal health and helps prevent crow's feet Enhanced visual clarity, contrast, and depth Relaxed and soothing feeling for eyes Impact-resistant 6 base, lightweight, flexible, durable and heat-resistant Grilamid frame 6 base frames sit relatively flat against face Double action hinge system Dimensions (mm): 49H x 140W x 161L Weight: 29g. California designed; hand crafted in Italy Electric Swingarm Polarized Sunglasses