Combining Rudy Project distinctive edgy design, advanced lens technology and superior comfort in a frame built with Rilsan®, a high performance sustainable and bio-based polyamide developed by Arkema, Deltabeat blends optical protection and deep wraparound fit while featuring superior head grip geometry, adjustable ErgoNose system, rubber temple pads and our proprietary PowerFlow ventilation solution to minimize fogging. Available in two different lens configurations - bike and running - Deltabeat is prescription-ready using our optional easy-in easy-out optical insert.