However, they took me in spite of the remaining air hole through the fontanelle (after you have closed the cord) well placed for such a thin part through the winter, sweat is actually transported across the membranes to the outside, and rain is fairly reliable held. Contrary to the unfortunately inevitable label of Beanie though the wind will not stop ("Windstopper"), but provides good protection against the cold effect.
A nice little detail is a vertical reflective stripes back, which is not seen from the figures - reflective stripes one can never have enough, and certainly not in the city or in the presence of the "racing line". :)
Conclusion: A simple function textiles with good properties and unexpected vent.