The Julbo MILLENIUM is an effortless blend of high mountain protection, robust construction and progressive design codes. The removable leather side shields offer long-lasting efficient shelter from intense sunlight and extreme conditions, even on the highest summits. The thin, lightweight temples are designed to feel comfortable all day, with integrated anti-slip pads to keep your shades in one place even when you don’t. Lenses: Spectron HD3 Polarizing category 3 polycarbonate lens (12% visible light transmission). This lens ensures high-definition vision and optimum visual comfort for everyday life and seaside activities. Details that can usually be overlooked are revealed thanks to colour and contrast balancing for prolonged use, without causing eye fatigue. 80% polarization for better perception of details and distances: reduced glare, enhanced visual clarity, suitable for driving, compatible with digital devices. Versatile use in sports and everyday life High clarity and visual comfort for everyday life and seaside activities Suitable for long-term use and wear 80% polarization for better perception of details and distances Polarization compatible with screen reading (Smartphone, etc.) Spectron 4: Cat. 4 polycarbonate lens (visible light transmission rate: 5%) with an anti-reflective coating: improves visual comfort by eliminating stray reflections. Flash finish: improves filtration of visible light by applying a mirror effect to the lens. Blocks sunlight and increases the filter effect. Recommended for sports exposed to conditions with strong glare. Maximum protection at altitude. Eliminates the sun’s harmful rays. The best protection for young children. Reactiv 2-4 Old Name: REACTIV Performance 2–4 (Zebra). Photochromic lenses with high-speed activation and deactivation (cat. 2 to 4—visible light transmission rates: 7% - 35%), they get darker or lighter to match changing light conditions and therefore adapt to any time of the day. Internal anti-fog coating and external oil-repellent coating (prevents marking, makes cleaning easier and facilitates water runoff). Ideal for mountain sports, hiking, mountaineering, skiing, mountain biking, trail running and climbing. SHR (Super High Reactiv): fast activation speed: changes from categories 2 to 4 in 22 seconds Exceptional anti-fog coating: no condensation, maximum longevity External oil-repellent coating: prevents marking and facilitates water runoff All-terrain vision. Julbo Millenium Sunglasses Features: Nose Grip: Flexible, shock-absorbing grip insert on the bridge. Curved Temples: Ergonomic profile for good facial and head grip. Grip Tech Temples: Exclusive soft material on the temples that doesn’t stick to hair for perfect grip and comfort. Flexible Slim Temples: Thin wraparound temples that offer optimal comfort and fit Removable Leather Shields: Leather side shields are a special feature of glacier sunglasses and have protected the eyes of generations of mountaineers. They now create an unmistakably vintage look. Sizing: MEASUREMENTS Lens Height: 47 mm Nose Length: 21 mm Lens Length: 55 mm Temple Length: 138 mm