With three interchangeable lenses you will have the one for what ever activity you might be doing. 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.
