Eyewear architecture. HAUS blue light blocking glasses rewrite the design paradigm with turn-of-the-century, European hand-crafted materials melded into micro-forged modernistic detailing. Acetate temples with inner bendable cores provide a customizable fit. Spring hinges with a measured flex rate provide gentle retention to keep the eyewear in place. Precision designed metal hinge block creates the engineered stability and function for long-term wear. For anyone who appreciates design, the HAUS is truly built. KEY FEATURES One-piece front construction Lightweight construction Proper weight balance Multi-layered acetates Proprietary patented GUNNAR lens material and tint Blocks harmful blue light and 100% UV light Anti-reflective lens coatings on front and back of lens Silicone hard coated lens to prevent scratching Youth Fit SPECS: lens width: 53 mm | lens height: 36 mm | nose: 15 mm | frame width: 124 mm | temple: 140 mm | weight: 31 grams (without packaging) INCLUDED WITH PURCHASE Microfiber Pouch Microfiber Cleaning Cloth 24-month Warranty