Bliz Edge is a full-frame model with optimised performance and perfect fit through 3 layers of soft foam and 50mm head strap. Edge also comes with a flexible system for easy lens replacement, adjustable strap and movable side clips for perfect shape with your face and fit with a helmet. Edge is equipped with a double lens of high optical quality. An exterior lens is made of unbreakable Polycarbonate and inner lens in Acetate with best possible anti-fog treatment. Everything to make you feel safe while getting the best possible visibility in varying weather conditions.