About NESOI Eyewear Nesoi eyewear is a high-end brand of eyewear. Materials of Nesoi's frames and lenses are for spacecraft using. Nesoi attaches great importance to every customer's value, and offers life-time guarantee. Features & Benefits Premium Nylon Lenses for Spacecrafts - Nesoi's sunglasses use nylon lenses, which is used for windows of spacecrafts, bullet-proof glass, police masks and helmets of astronauts. It's one of the most strongest lenses in the world and is 50% lighter than traditional lenses. It's also a enviroment-friendly, recyclable material. Many high-ended and luxury brands, including Nesoi, are made by nylon lenses, though its cost is higher than traditonal lenses. UV400 Protection Polarized Lenses - Nylon lenses are polarized and certainly 100% UV protection, that offer the best UV protection and keep your eyes comfortable and healthy. Flexable Memory Metal Alloy - Nesoi's eyewears frame are made by memory metal alloy (colomony), which is flexable and difficult to break. Colomony (also called lecnum, albata, or cupro-nickel) is an alloy of nickel and copper, which increases strength, hardness and resistance. Colomony is always used for ships, medical devices, etc. Nickel is costy because of scarcity. Spring Hinge - Fashion Smart design to fit your face curve and absolute comfort for everyday wear, and is also unisex. Additionally, spring assisted hinge make these sunglasses comfortable to wear, even for large faces. You'll never have to worry about your daily clothes matching again. Life Time Guarantee - 100% satisfaction guarantee. You can return and get refunded in case you're unsatisfied. If your frame or lenses are broken we'll send you new fittings during your LIFE TIME. Nesoi will always be with you during your life. Non-Slip Nose Pad - Silicon nose pad won't slip down.
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