Polycarbonate Lenses (UV Protected)</br>Adjustable frames</br>High brow area to prevent "peeking"</br>Opaque frosting to simulate actual IFR conditions</br>Protective carrying bag included</br></br>Product Description</br></br>Here is the value leader for IFR training glasses. Unlike the big name competitors?? these are not "heaters"?? and they're lighter weight.</br>_