The Vesper features gate technology that makes changing your lens easy as cake. With organic, soft lines this frame is built for smaller face shapes, complete with non-slip grip temples and precise geometry that makes them fit perfectly with a helmet. Smaller style option that is both stylish and built to perform during your most challenging rides Precision Optics that meet ANSI Z80.3 standards for optical clarity and impact resistance Adjustable rubber nose bridge and non-slip rubber temple tips for a secure fit Flexible, durable G850 nylon frames Frame Hydrophobic lens coating to repel water, sweat, oil, and dust. Unisex design fits small to average face sizes Includes soft case and hard case Includes two sets of interchangable lenses for variable light conditions