Need the ultimate pair of prescription sunglasses for your high-altitude mountaneering adventures? Look no further. The Julbo Explorer 2.0 sunglasses offer everything you need for your journey. Featuring Spectron 4 polycarbonate lenses and incorporated vents in the game, the Julbo Explorer 2.0 ensures that your lenses stay as clear as possible during your excursions. In addition, the adjustable side temples and an adjustable neck cord allows for even greater adjustability and comfort.