Move freely. Piha brings a modern edge to a navigator silhouette. Designed with SuperThin Glass, experience the crispest optics whether exploring dynamic city centers or relaxing in nature. Frame Details: Exclusive PolarizedPlus2 lens technology, Signature wavy pattern on temple tips, Signature slash on rubber nose pads, embedded gold or silver script logo on rubber temples. Details Lens Material: SuperThin Glass - Provides the absolute crispest optics available. 20% to 32% thinner and lighter than standard glass, it offers the best scratch and solvent resistance. Rx Power Range: +3.00 to -4.50 Face Size: Large