Two new pairs of glasses delivered…
Two new pairs of glasses delivered promptly as usual brilliant service and great value for money ! Read more
Lens Type: Photochromic Base Curve: 4 SPIRIT lenses are two times lighter than mineral | Eco Nylon is made from Grilamid BTR XE 4010| the polymer’s scientific name| is a sustainable substitute for TR90. It is extracted from Castor Plant but offers the same characteristics as TR90 Nylon (durable| flexible| lightweight| can bend| less likely to break) without requiring the use of petrol. lenses which make them the perfect lens for outdoor activities| providing an ultimate comfort.