Modern design, outstanding quality and more eco-responsible. The frame is made form ECONYL(R) regenerated nylon, acquired by recycling nylon waste, such as fishing nets, fabric scraps and carpets. The lenses are made from bionylon and in addition to that the SCOTT Riff come with a recycled material pouch. Polarized lenses reduce glare and reflections from surfaces like snow, glass and water and signifficantly improve visual comfort.