Crafted from lightweight grilamid tr 90 the tifosi tyrant 20 polarized fototec sunglasses are distinguished by their outstanding bending strength and high levels of impact resistance that makes them ideal for sporting activity polarized fototec technology blends the glare reducing qualities of polarized lenses with the variable tint properties of fototec to provide optimal clarity and protection in all lighting conditions the frame features adjustable rubber ear socks and nose pieces for