Optic Nerve Neurotoxin 3.0 Sunglasses These Classic half-frame sunglasses have three interchangeable lenses with smoke, copper, and clear options for sunny, cloudy, and nighttime conditions. They have fully adjustable temple tips and nose bridge for a customized fit. Comes in different colors. The aggressive styling is apparent, but not overdone, to ensure that you're equipped with the style to match the winning feeling of these best-selling performance sunglasses. Precision optics and 100% UVA/UVB sun protection; Polycarbonate lenses for high impact resistance. The hydrophobic coating protects the lens from water, oil, dust, and sweat. Durable, resilient Grilamid TR90 nylon frame material for an enhanced performance with a snug, secure, and comfortable fit. Ideal for casual use as well as more extreme adventures. Storage pouch included. All Optic Nerve sunglasses have the warranty against manufacturer's defect.