Spy optic caliber sunglassesspy optics caliber sunglasses are made of virtually indestructible grilamid with 8 base polycarbonate arc lenses these stylish sunglasses feature spy optics happy lens a colour and contrast enhancing lens technology that provides 100 uv protection whilst maximising the transmission of the suns good rays they also feature pin hinges hytrel nose pads and temple tips to ensure a comfortable fit even in the wettest conditions and dale juniors signature print