Features of the Electric AV1 Sunglasses Frame: 4 base medical grade stainless steel eye-wire and 3 barrel custom mono-block hing Optics: 4 base melanin infused CR39 lenses. 100% UV protection. Up to 98% blue light protection Available in polarized CR39 lenses. 99.9% Premium glAre reduction, relaxed/soothing eye feeling, True color perception, and scratch resistance Visual Light Transmitted (VLT): 11%. Highly versatile and performs great in High-solar and low-light settings alike Includes hard case and microfiber cleaning cloth Designed in California. Made in Italy Lifetime Warranty Measurement: 52h - 140w - 147l Weight: 25 grams