Rudy Project Rydon Sunglasses pair a lightweight, durable frame with ImpactX 2 photochromic lenses to deliver adaptable, high-performance eye protection for cycling, running and outdoor sports. Key attributes: Black | Grilamid | ImpactX 2 photochromic lenses | 100% UV protection | Lightweight and impact-resistant | Quick-change lens system | Adjustable nosepad | Adjustable temples | Interchangeable Quick Change lenses | Prescription-ready (RX options) | Semi-rimless frame | Ergonomic nosepad | Kynetium temples for strength and lightness | Safety Project integrated hinges | Dimensions & fit: Width 71mm | Height 38mm | Temple 133mm | Weight 26g | Base curve 8 | Optimal for medium faces | Adjustable fit via nosepad and temples | Composition & care: Grilamid (frame) | Kynetium (temples — magnesium/silicon/titanium alloy) | ImpactX 2 photochromic lens | Rinse with lukewarm water; for stubborn grime use a tiny amount of mild, lotion-free dish soap, rinse thoroughly and dry with a lint-free towel; finish with a microfiber cloth and store in the protective case. Avoid hot water, harsh chemicals and paper towels.