The Oakley Gascan Prescription Sunglasses is a durable frame for all-day use. Offered as standard and prescription sunglasses, the lenses are designed and tested under extreme high mass and high velocity circumstances to ensure uncompromising protection across a wide range of demanding conditions. Plus, the lenses provide Twin Toric technology with High Definition Optics® benefits. In addition, you can choose the Prizm™ Technology lenses to maximize vision and bring out fine detail. For more options check out our Oakley Sunglasses Collection.