Prescription safety glasses by Bolle, the Bolle Harper is a stylish wrap-around style safety frame. Sporty in appearance and light-weight and comfortable to wear. They would make wonderful safety sunglasses. Stylish and comfortable certified prescription safety glasses. Order your new Bolle Harper prescription safety glasses online. Suitable for prescriptions between -3.00/+4.00 Sphere and -5.00 cylinder. This frame also has adjustable temples. This is the black and aqua coloured option.