Bolt is a classic from Bollé, now in an updated 2.0 version with updated design and refined performance. High quality TR90 nylon frame which is lightweight and flexible. Bent arms and adjustable nose pads made from Thermogrip, a rubber that shapes to your nose. The grey lens and violet mirror enhance colours and give an added visual dimension, with better distance assessment and easier green analysis. Ideal for bright weather with lots of sunshine. The sunglasses have anti-fog and scratch-resistant lenses. Polished with Oleo which repels dirt, sweat, grease and water. Medium fit which suits average head sizes.