The Sweet Protection Shinobi sport performance sunglasses represent an aggressive premium model designed for high-speed activities. Featuring a premium 2.2mm thick machine-edged lens, the Shinobi boasts an extremely stable and easy-to-switch lens attachment technology. Simply slide back the two buttons on each temple, squeeze the middle of the nose bridge to change the lens, and snap right back in while on the move. The Shinobi ensures an excellent fit with all Sweet Protection helmets, with temples engineered to minimize intrusion and maximize comfort. 2.2mm Toric lens ensures high impact resistance Features super oleophobic- and hydrophobic coating Hard-coating on both sides of the lens ensures easy cleaning and durability 100% UV protection Easy lens change: modular construction allows for quick and simple lens replacement Offers a supreme field of vision TR90 Polyamid frame: durable, fatigue-resistant, and lightweight TPR co-molded soft and grippy inserts on the temples for added c