At just 31 grams, you can hardly feel the Ultra Pro, which are the lightest performance sunglasses in the Dynafit Eyewear Collection.  It doesnt hurt that you also look really good wearing them. The Ultra Pro features photochromic Divelo Optics quality lenses from Italy. These lenses adapt automatically and infinitely variably in seconds to varying light conditions. They protect reliably from UVA, UVB and UVC rays. The Grilamid material is light, flexible and thus makes the Ultra Pro glasses more resistant to damage. The ventilation system ensures that air can constantly circulate and thus prevents fogging up. Grippy temple tips and a rubber nose pad guarantee secure hold without slipping about even during intense movement. Broad view Mega grip rubber temples Frame ventilation Hydrophobic lent Photocromic Interchangeable lens Impact resistant lens 180° frame 100% UV -A-, -B-, -C-Protection Polycarbonate lens Silicone non slip nosepad Climacool AirVent lenses Technical Featuures Base C