Julbo BIVOUAK Outdoor Sunglasses in White & Black with Zebra Adaptive Yellow Lenses.
Outdoor sports have met their match with the Bivouak, solar protection for any condition. With wide lenses, optimal coverage, magnetic protective wings that can be added in a split second...you become one with the elements.
The new Bivouak — the world's first sunglasses with magnetic protective shields. Add the magnetic side shields to increase protection against enhanced light reflection, on snow for example, or remove them for regular use. Outdoor sports have met their match with the Bivouak, offering solar protection for any condition.
Bivouak technical features:
Front venting
Natural front air flow thanks to the lens shape or mounting structure
Grip tech
Inserts at stem ends for comfort and hold, does not stick to hair
360° Adjustable temples
Stem ends bend in every direction, easy to wear and good hold when worn with helmet, beanie or simply
alone
Magnetic Wings
Coverage, integration and optimum ease of use: with magnetic properties, added protection is instant.
Total Coverage
Maximum protection in extreme conditions against harsh sunlight

Zebra® Photochromic Lenses: Ultra Reactive NXT®
The Zebra® photochromic lens darkens or lightens depending on the light’s intensity. It can change from a light transmission rate of 40.7% to just 6.6%! Its anti-fog coating, directly integrated via laser, guarantees maximum efficiency and long life. Zebra® is recommended for mountain biking, trail biking and climbing.
The Zebra® lens has a very quick activation time: the lens reaches 50% of its capacity in just 28 seconds.

In the undergrowth, the Zebra® lens changes to category 2. In bright sunlight, it provides category 4 protection.
