The P3, named according to the unique specifications of Navy submariner sunglasses. The rounded retro P3 is a favorite among those looking for a vintage style, dating back to generations of military and pop-culture history. The circular shape is perfect for heart, square and rectangular shaped faces. Bright Chrome Jewelry Quality frame finish. American Gray - Randolph's signature neutral gray tint lens, originally engineered for military pilots. Maintains ‘true’ color and contrast distribution throughout all light and terrain conditions. Non-Polarized - UVA/UVB Protection. SkyTec™ Glass lenses with Vector™ Anti-Reflective & Blue Wave™ lens technology. Made in USA. 51mm.