Crit Interchangeable Skycloud - Clarion Blue/AC Red/ClearFrame Features:Made of Grilamid TR-90, a homopolyamide nylon characterized by an extremely high alternative bending strength, low density, and high resistance to chemical and UV damage. Hydrophilic rubber ear and nose pieces for a no-slip fit. Adjustable ear and nose pieces for a customizable, comfortable fit. Vented lenses improve air circulation, prevent fogging.Model Specifications:Frame Type: Open LensWeight: 31 gramsFit: Large, MediumIncluded Lenses:Clarion BlueAC RedClearIdeal For:BicyclingBike/Run