Zebra Photochromic lenses adapt to changing light within 28 seconds. Category 4 protection too!

Created specifically for climbers bikers and hikers who cover alpine trails in varied light conditions Julbo's Instinct Sunglasses feature Zebra Photochromic lenses that adapt to changing brightness faster than previous photochromic lens designs. While results vary according to specific brightness the lens activation time can reach 50% capacity within 28 seconds giving you plenty of protection from moderate light (category 2) to exceptionally bright conditions (category 4). By pairing the sporty Instinct frame with the Zebra Photochromic lenses Julbo eliminates the need for an interchangeable lens design--and the hassles of swapping out lenses in the wilderness. The Instinct has a rugged and resilient architecture that holds your face with extra broad Rubber Tip XXL elastomers along the temples. A HCD Concept lens geometry gives you wrap coverage and exceptional UV protection without sacrificing optical clarity along your peripheral vision. If you're tired of carrying around three sets of tints for your interchangeable shades Julbo's Instinct Sunglasses with Zebra Photochromic lenses could be the best solution you'll see this season.