Julbo has combined its high-altitude technical expertise with a modern look to create high-protection, high-performance sunglasses.Removable fabric side shields provide flawless protection and comfort.Fitted with the Air Flow venting system, SHIELD M will be your ally of choice when you start to work harder on the ascent.They´ll stay firmly in place thanks to curved Grip Tech temples and a non-slip bridge.And the sophisticated design will add an extra note of boldness to your next high-altitude challenge.Features:- Air Flow:Venting incorporated into the frame to facilitate air circulation and prevent fogging.- Cord Attachment:Allows attachment of a cord.- Grip Tech Temples:Exclusive soft material on the temples that doesn´t stick to hair, for perfect grip and comfort.- Nose Grip:Flexible, shock-absorbing grip insert on the bridge.- Removable Spandex Shields:Spandex side protection from sunlight.Spandex is a soft, light and comfortable to wear synthetic fibre.This material is heat, cold and water resistant.Specifications:- Lens Height (mm):43.- Bridge Distance (mm):17.- Temple Length (mm):120.- Base:6.- Lens Size (mm):54.- Weight:30 g Technology:Polarized Lenses:- Polarized technology eliminates glare on the surface of the snow thanks to a polarizing filter, ensuring optimal reading of the terrain.Comfort On Water & Snow:- Cat.3 polycarbonate lens (visible light transmission rate:11%) with polarization and colored mirror coating improves filtration of visible light by applying a mirror effect to the lens.Suitable for all types of sea or mountain sport, eliminating glare on reflective surfaces (road, water, snow, etc.).- Glare protection A clear view on the water or in the mountains.- Sun protection:Polarizing cat.3.- Vlt (visibility light transmission):11%.- Material:Polycarbonate Mineral Glasses:- With excellent scratch and shock resistance, the Alti Arc lens is of superior optical quality and an industry benchmark for glacier sunglasses.High Protection:- Cat.4 mineral lens (visible light transmission rate:7%).Superior optical quality and highly scratch and shock resistant.External anti-reflective coating to improve visual comfort by eliminating stray reflections.And flash finish improves filtration of visible light by applying a mirror effect to the lens.Recommended for high-mountain environments and expeditions.- Maximum protection at high-altitudes Pure vision in perfect focus Eliminates the sun´s harmful rays.- Sun protection:Cat.4.- Vlt (visibility light transmission):7%.- Material:Mineral Reactiv Photochromic Lenses:- Your Reactiv lenses get darker or lighter to match changing light conditions.Whatever the weather.The Comfort Solution For Sport And Everyday Life:- Old Name:REACTIV All Around 2-3 (Falcon).Photochromic lenses (cat.2 to 3.- visible light transmission rate:9% to 20%) which get darker or lighter as light levels change, and are also polarized (85%):they manage glare perfectly while allowing you to read any type of screen.This...