Bolle DiabloThe Bolle Diablo is part of the Bolle Alpine Collection. The Diablo is made out of the finest grade nylon, which qualities are being lightweight, flexible and strong. These sunglasses also boast an adjustable thermo grip nose piece and thermo grip temple tips ensuring these frames stay comfortably in place even during extreme exertion. The Bolle Diablo also boasts precision frame venting technology helping to prevent moisture build up no matter what the weather.Colour: Satin Dark Grey