Unbreakable focus starts with clear vision. When you are pushing through rugged terrain, relentless weather, and punishing miles, you cannot afford eyewear that slips or clouds your vision. Zenni_Partners sports sunglasses are engineered to stay locked to your face, block blinding glare, and withstand the harshest race-day conditions. Available in polarized as well as prescription and non-prescription options to keep your eyes locked on the finish line. Use code SPARTAN at checkout to save 10% on your pair at Zenni.com/spartan. #SpartanRace #SpartanUp #ZenniOptical #OCR #Unbreakable