Unfortunately, she has no breathing hole, which is why the air upwards, past the nose flows out. For eyeglass wearers a meltdown, since the first time they exhale completely fogged. But even without glasses if this fact on longer walks to the problem. Because the exhaled moisture remains after a short time stuck in the eyelashes and eyebrows and condensed, which is why you constantly moist eyes that you have to clean off. In addition, the closure is intended to make close to easily adjusted.
Positive noticed is the very tried, rapidly responsive customer service, there should be problems. Unfortunately, this is not the case with all dealers so. In this case, I have received a very satisfactory response within a few hours.
All in all for the price a good mask. However, If you want to wear them sometimes for several hours at a time I would advise me to continue to look.