Viento features a removable foam eyecup with AIRSHIELD technology which forms a shield around the orbital socket of the eye to lock in moisture and block out wind, dust, pollen, and air-borne irritants. 7eye by Panoptx sunglasses are suited for adventure sports - motorcycle, fishing, skiing, glacier climbing, parasailing, paragliding, and more. These sunglasses are also great for those suffering from dry eye. Viento is prescription ready and offers 100% UVA protection. Includes zipper case, microfiber bag, leash, and sticker. 7eye photochromic day and night lenses are the fastest color-changing lenses on the market. This lens starts off clear and darkens to gray in bright conditions. These lenses are tapered and de-centered to provide you brilliant clarity and glare-cutting capability. If youre looking for a functional lens which adapts to your environment, this is the ideal lens especially for motorcycle riding.