* Meets ANSI Z87+ mass impact requirements - UV400 - 100% UVA / UVB blocking.* Replaceable, shatter-resistant polycarbonate lenses.* Durable Nylon-alloy frame construction.* Customizable arms for no-worries repairs and limitless color options.* No Hardware or tools required.The Future Tech is the beginning of a stronger, faster, more technical era for Heat Wave Visual. These are the future of weaponized visual high-speed performance: Aggressive, loud and innovative beyond any pair of sunglasses before them. Designed from the ground up, the Future Tech incorporates a multitude of new, cutting edge features to improve every aspect of their performance:- A replaceable, impact resistant, full coverage shield lens with a seamless lens lock & support system along the protective side shields. The lens is accented with a bold brow window across the top of the Nylon Polyamide frame that give these an aesthetic unlike anything seen before.- A combination of industry leading Thermo-plastic materials to give the Future Tech its exceptionally lightweight, flexible fit while providing higher heat and greater chemical resistance than ever before.- All-new, low profile dual injected arms have been designed for performance across all conditions, allowing for a better fit with headwear from hats, helmets, and hearing protection.- The Push-lock lens attachment system allows you to swap the Future Tech's impact resistant lenses in and out with no tools required.- Rubberized Hytrel touchpoints on the nose and arms provide a more comfortable, non-slip fit with higher resistance to both natural and chemical agents.- A newly re-designed nose piece features swappable nose pads in 3 optional sizes - giving you the added ability to customize the Future Tech to provide the perfect fit.-The Future Tech was designed to give you a bold look, unparalleled functionality and ANSI Z87+ protection right out of the box.