It doesnt matter your activity, the Dolomite has a lens tint to accommodate you. Three different lenses cover dim, sunny and hazy conditions Featuring interchangeable lenses, frame includes a base set of lenses and two additional sets of lenses. Additional lenses are ideal for low- and medium- light to night time conditions. Lightweight and virtually shatterproof, polycarbonate lenses are 20 times more impact resistant than glass and one-third the weight. Grilamid TR90 lightweight nylon frames offer a consistent fit and flexibility in all temperatures and are extremely impact resistant. Hydrophilic rubber nosepiece and temple ends become tackier when wet for reliable grip during exercise and hot weather. Ventilated lenses increase airflow to help eliminate fogging. Fits medium to large faces.