Sporty design Comfortable, straight temples Standard Anti-scratch/Anti-fog Thanks to its durable PC frame, the PRISM model offers excellent protection and is a great entry level value. This model is convertible to a fully sealed eyewear product when you add the optional Foam Kit.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }