Whether or not your plans include traversing a glacier, the Julbo Colorado Glacier Glasses provide the protection you need. The polycarbonate lenses provide 100% UV blockage, and the side shields are removable, for times when they're not needed. Nylon framed glacier glasses with a sport look. Moldable temples Removable side shields Spectron 4 lenses provide 100% UV protection. 95% visible light reduction The polycarbonate lenses have a color flashanti glare finish. Hard shell case and rebiner cord included.