The Intruder, named after the A-6 Intruder, a twin-engine, mid-wing, all-weather attack aircraft. The large square shape brings out the boldest aviator characteristics while sitting close to the face. Handcrafted in the USA. 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. Non-Polarized - UVA/UVB Protection. SkyTec™ Glass lenses with Vector™ Anti-Reflective & Blue Wave™ lens technology. Classic Skull Temples for all-day comfort. Made in USA from quality U.S. and global components. Embossed Hard Case & Microfiber Pouch