Julbo Micropore Sunglasses offer a durable design and quality craftsmanship that add up to the ultimate in eye protection. These glacier glasses offer top shelf bright light protection for skiers, mountaineers, and snowmobilers. They feature a bi gradient polycarbonate lens with anti glare protection, removable and vented leather side shields, moldable temples, and the feature they're named for a micropore self venting nose bridge that delivers fog free performance. Julbo also throws in a lightweight strap, so you don't drop these glasses from ten pitches up. Awesome protection and superior ventilation make the Micropores THE choice of serious mountaineers worldwide. Proposition 65 Warning for California Consumers: This product contains chemicals known to the State of California to cause cancer andor birth defects or other reproductive harm.