Modern & more environmentally friendly design & outstanding quality. The frame is made from regenerated Econyl® nylon, which is obtained by recycling nylon waste such as fishing nets, fabric scraps & carpets. The lenses are made from Bionylon. In addition, the Scott Riff comes with a case made from recycled material. Features Small to medium fit Hinge Flex construction Insert in metallic look Weight approx. 31, 5 gr. Bag made from recycled microfiber Lens width 52.5 mm Lens height 48 mm Arm length 137 mm Re-Source At SCOTT, they believe in doing things the right way & for the right reasons. 100% UV Protection All SCOTT lenses are optically engineered to screen out 100% of harmful UVA/UVB rays. Hinge-Flex Construction The innovative Hinge-Flex construction paired with the textured temple tips minimizes pressure points while providing supreme grip. Precision Optics SCOTT Precision Optics is a hallmark of quality that stands for outstanding materials & innovative manufacturing techno...