It can be hard to choose the right shades for your ride when the trail you're taking alternates between pockets of shade and wide open sunlight. Luckily the Julbo Dirt 2. 0 Zebra Photochromic Sunglasses feature lenses that adjust automatically in response to changing light so you can stay focused on the trail ahead. An anti fog treatment keeps your lenses clear when you're huffing it on a steep uphill, and the lightweight frame won't weigh you down. GripTech nose and temples prevent your shades from slipping when you're rallying downhill, and the base 8 curve ensures a wide field of vision so you can keep a close eye on your surroundings. 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.