Yes the venting works....weight I would say was "average"....had heavier helmets , had lighter.
In terms of suitability for head shape , I have heard it described as suitable for "long oval" ....not sure where I read that.
Haven't worn any of the helmets you mentioned so can't compare.
All I can say is it fits my pin head (XS small size) and is comfortable for a day of riding
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2019 EC 300
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