The Julbo DENSITY reinvents the rules of sports-performance eyewear through its audacious style and reliable functionality. DENSITY is your new over-achieving partner in good times! Those shades have a lightweight and minimalist design, a no-slip nose bridge and a super comfortable fit thanks to soft zones on the frame that ensure hold without tearing your hair out. Featuring a maxed-out field of vision for guaranteed panoramic views at all times. Weight in g : 20 g CLEAR VISION WHATEVER THE CONDITIONS Old Name: REACTIV Performance 1–3 LA (Zebra Light). Photochromic lenses (cat. 1 to 3—visible light transmission rate: 17% - 75%), they get darker or lighter to match changing light conditions and therefore adapt to any time of the day and to the terrain. Internal anti-fog coating and external oil-repellent coating (prevents marking,makes cleaning easier and facilitates water runoff). Ideal for trail running and mountain biking. High-speed activation regardless of the temperature (Non-Temperature Sensitive Technology) Light amplifier Suitable for sports both in the shade and full sunlight Exceptional anti-fog coating: no condensation, maximum longevity External oil-repellent coating: prevents marking and facilitates water runoff.