Built for adventure with its large frame and wide arm profile, the Backbone is your first line of defense against any condition. FRAME: 8 base mold injected Grilamid frame with a 5 barrel hinge and unique mold injected logo. OPTICS: OHM Polarized Polycarbonate lens. 100% UV protection. Up to 98% Blue Light protection. 99.9% Premium glare reduction, relaxed/soothing eye feeling, true color perception, and scratch resistance. BRONZE TINT: VLT 11%. Provides more contrast and boosts the vibrancy of surroundings. Highly versatile - performs great in high solar and low light settings. MEASUREMENT: 50h - 140w - 165l WEIGHT: 40grams California Design. Hand Crafted In Italy