Bolle BoltB-Clear lenses give sharp views (and unbeatable impact resistance). These lenses even improve hand-eye coordination and fine motor skills. Plus they can be swapped in seconds. Peripheral vision is super-wide. Bolt's shiny white nylon frame provides a snug fit. And it's durable. Thermogrip nose pads and temple tips hold it comfortably in place. UV400 lenses. Bolle sunglasses come with a one year warranty.