The allston is the long awaited cycling specific helmet release from bern featuring over 50 more airflow with 16 strategically placed vents we developed this helmet alongside the world39s best cycle messengers and cyclecross racers which resulted with a helmet that performs as well as it looks the allston is made from bern39s exclusive zipmold technology resulting in a high strength to weight ratio with a clean finish 39bizarrely before developing the allston for summer 2013 be