Julbo Shield are sunglasses for the discerning mountaineer, providing a high degree of protection and a wide field of vision for a variety of uses. The non-slip contoured temples with Grip nose, are designed to stay in place on the head during any type of movement. Air flow ventilation and removable “soft shield” fabric side shields, soft to the touch, ensure maximum comfort. Its sleek rectangular shape associates style with any boldness. Available with Spectron 4, Spectron 3 Polarized, Reactive Polarized 2-4, Reactive 0-4 lenses. Lents Spectron 4 with anti-reflective treatment, enhances optical comfort while eliminating glare. Flash treatment that increases the lens' ability to filter the visible light spectrum. It reflects light beams and increases the filtering effect. Spectron 3 Polarized, on the other hand, are made of polycarbonate equipped with a polarizing filter that blocks reflections, especially on the surface of water and snow. Reactive Polarized lenses are photochromic and become darker or lighter depending on the intensity of light, providing perfect vision in all weather conditions. Julbo Shield trekking sunglasses