Aerocore In-mold construction delivers ventilated protection featuring patented Koroyd material, integrated skeletal structure and Aramid filament reinforcement Koroyd is a new open-cell protective material that absorbs more energy on impact than traditional helmets while also increasing airflow VaporFit adjustable fit system and 21 optimized vents combine aerodynamic performance and cooling airflow X-Static pads with cooling lining and Ultralight single-layer webbing cool, comfortable coverage