Aethon provides full coverage protection with a cutting edge sport design that is perfect for those in need of performance eyewear. It is equipped with a removable brow bar for a customizable look and feel. - 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.