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. Browse polarized options. The circular shape is perfect for heart, square and rectangular shaped faces. Details: 23k Gold Jewelry Quality frame finish. American Gray - Our signature neutral gray tint lens, originally engineered for military pilots. Maintains 'true' color and contrast distribution throughout all light and terrain conditions. Polarized - glare prevention with UVA/UVB protection. SkyTec™ Glass Polarized lenses with Vector™ Anti-Reflective & Blue Wave™ lens technology. Classic Skull Temples for all-day comfort. Guaranteed for Life - Designed & Handcrafted in the USA in over 200 steps. Embossed Hard Case & Microfiber Pouch