Features such as extra protection on the sides of the eyes and extra dark lenses make Nivalis goggles the optimal choice for use on the glacier. Adjustable sides ensure a secure fit around the ears and snap hinges increase durability as the hoops are less damaged in the event of a fall. Grippy rubber nose pads and sides ensure that the glasses stay firmly in place even during strenuous activity. Warning: The darker lenses of this model should not be used while driving.