Sleek angles and premium materials define Alliant as a performance sunglass for golfers. Enliven™ Bike lenses enhance color contrast to make reds, blues, and greens pop.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.Features:- Adjustable Ear Pieces- Case Included- Glare Guard- Grilamid TR-90 Frame- Hydrophilic Rubber- Optically Decentered- Polycarbonate Lenses- UV Protection- Vented Lenses