With lens tints optimized for cycling, and numerous features that work to enhance durability and comfort while performing, Do Blade sunglasses protect optimum vision in all conditions. The lightweight, durable grilamid frame provides glexibility and the possibility to change lenses based on prevailing conditions. Hydrophilic rubber nosepieces ensure the glasses stay steady during strenuous sporting activities. Lens tints are designed to increase contrasts on the road surface, so you can more easily sport irregularities and react in time. Anti-fog and Ripel treatments help keep the lenses pristine, even in challenging conditions. Grilamid construction Rubber nosepiece and temples stay grippy even when wet Interchangeable lenses from Carl Zeiss Complete UV protection (UV400)