The Mainlink is slightly deeper than that of the Chainlink however still provides a fantastic balance between a trendy and an active sunglass. The large wayfarer type shape gives off that stylish look while the unobtainium temples and nose pads provide unrivaled grip during any activity. The O-Matter frame material will provide optimal stress resistance and extreme lightweight comfort for longer wearing conditions while the three-point fit design balances the frame to eliminate unnecessary pressure points and gives perfect optical alignment. The Prizm Deep Water lens makes this frame perfect for fishing or those looking for a high-quality blue mirror. Prizm polarised technology combined with specific filters to boost reds and greens give a glare-free, optimum view of below the water surface. This authentic Oakley frame comes complete with a soft pouch and a 2 year warranty.