The single-curve cylindrical lens creates a taller profile with a wider vertical field of view, so you see more from aggressive riding positions. With an extra cryztal rose lens included with all styles except photochromic , impact-tested protection, and a fit dialed for larger faces, the rideviz pro is built for speed and focus, with a bold look that stands out beyond the ride.Key features:size: fits medium to large faces see rideviz pro small for smaller fit frame width: 145mm lens width: 145mm lens height: 65mm bridge width: 20mm temple length: 130mm frame shape: full-frame design with integrated mud channel frame material: biopolymer lens: impact tested cylindrical polycarbonate lens, base 6 single-curve cylindrical shape creates a taller profile with expanded vertical field of view modern wraparound style interchangeable lens design lens types: iriz: mirror coating reduces glare and protects eyes in bright conditions cryztal: contrast-enhancing lens for sharper detail and color separation cryztal iriz: contrast-enhancing lens with mirror coating for bright conditions photochromic: light-adaptive lens that shifts from 90 vlt nearly clear to 25 vlt extra lens: cryztal rose lens included with all styles except photochromic other features: anti-slip soft rubber temples adjustable nose bridge protective case included sustainability: plastic-free packaging