The Venturi sunglasses were designed for the swift athletes who run for long periods on the toughest terrains. These sunglasses provide the ultimate grip no matter how exertive your course may be. This beauty has been tested by Julbo's very own trail runners. Designed to give you a wide field of view with optimum ventilation through their ultra-light photochromatic category 1 to 3 lenses with vents. The Venturi also provides an unparalleled hold thanks to its curved, grip temples.