Lens Technology The lenses used, across the whole of the Speedcraft range, are crafted exclusively by the Christian Dalloz Sunoptics Facility located in France where they have been engineering the finest in high-performance lenses for over 50 years. Using a large, single lens shield the glasses come with an increased peripheral view and 100% UV protection to give you ultimate clarity. Ultimate Grip The Speedcrafts shape has been tailor made so that there is an enhanced space between the lens and the face to increase ventilation so that your face remains dry and the glasses won’t slip off. Read more… To help this further the nose pads and the temple arms have been coated in Megol Rubber for additional grip. The shape of the glasses with their wrap around design also ensures that however vigorous your cycling your Speedcrafts will still cling to your face and remain in position. Great Variety 100% offer a full range of interchangeable replacement lenses to suit your personal style or the amount of light in your cycling environment.