When your ultra run starts in the early morning light and ends once the sun starts to set, rely on the Julbo Aero Sunglasses with Spectron 3 CF lenses to keep your vision clear throughout the day. The Aero was designed with input from world-class ultrarunners and weighs just under an ounce (26g) per pair, and is fully padded at the nose and temple to deliver a comfortable fit and feel for the entirety of your race. Fogging is always a threat during endurance races, so Julbo put vents between the top of the lenses and frame to keep a constant supply of air passing through the lenses. The frame also allows for optimum ventilation with a design that enables air to circulate along the bottom, top, and sides of the lenses, leaving your vision free of fog, even as you push it to the top of a long and grueling climb. This version of the Aero comes with Julbo's Spectron 3 CF lenses, making them a solid, all-purpose pair of shades for high output activities like running and mountain biking. Proposition 65 Warning for California Consumers: This product contains chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm.
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