The Ronin sport performance sunglasses are especially designed for high-intensity sport activities, but you can also wear these in confidence for everyday use. Poor vision shall no longer be your master. This specific model comes with a Photochromic lens that automatically adapts to changing light. Featuring our premium 2.2mm thick machined edges Toric lens and a semi frameless design, the Ronin provides unrivalled field of vision and superior optical properties. The Ronin provide excellent fit to all Sweet Protections helmets, with temples designed to minimize intrusion and maximize comfort. RIGlens technology: developed by Sweet Protection to provide superior contrast, minimum color distortion and reduced eye fatigue 2.2mm Toric lens with high impact resistance Super oleophobic- and hydrophobic coating Antifog flow-coating 100% UV protection Easy lens change: modular construction allows for very quick and easy lens change Supreme field of vision TR90 Polyamid frame. Durable, fatigu