Optic Nerve's full rimless FixiePRO is a visually striking design with a simple, straightforward purpose in mind. Offering a fixed lens platform and 100% unobstructed field of vision, this bold and ultra-lightweight frame provides a full complement of performance features with secure, comfortable wear-ability and protection. G850 Nylon frame materials are comfortable, durable, and derived from clean and renewable resources. Hydrophobic lens coating to repel water, sweat, oil, and dust, keeping your line of vision clear and uninhibited. Unisex // Fits average to wide sizes. 100% UVA/UVB Protection (What does this mean?). All products meet ANSI Z80.3 standards for optical clarity and impact resistance.