It is however, carrying on the Poc aero tradition of (if I was being generous) what one might call a challenging look!
As it looks like we’ve come full circle to 1985, I’d like to see a wind tunnel test versus a $20 Bell/Schwinn helmet from Walmart.
You can even get some Disney princesses.
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That lime peel is probably super lightweight 
I don’t know why it’s taken this long to do this.
I’d love to not have to listen to wind noise in my ears and be able to focus better.
It looks to me like they might do the opposite and direct wind noise INTO the ear. In all the pics it just covers the top of the ear, not the hole.
I don’t think that’s how airflow fluid dynamics works; neither do the companies making the helmets (if you got immediate boundary layer detachment they wouldn’t offer much benefit in the first place.
If struggling to visualise; have you ever seen wind deflectors on cars for noise?
How about a cowling on a motorcycle? If your logic were correct, removing the cowling would reduce wind buffeting; does that happen?
Have you seen anything where the companies say it reduces wind noise? I’d gladly be proven wrong.
In the examples you cited, the difference is that the leading edge is covered by fairings. For the new Kask lid, the leading edge of your ears are still exposed ( depending on head position).
It is entirely possible that the design reduces wind noise (as I noted originally), but I wouldn’t necessarily assume it. For example, may full TT lids, which have your ears completely covered, can be quite loud.
It also would not surprise me if any possible wind noise abatement is extremely personal, varying with head position, ear shape, helmet size, etc.
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Yeah, those two examples look nothing like the Kask helmet due to positioning. It’s kind of like saying no wind goes in a helmet vent because there’s a lip below it.
Again though, I hope I’m wrong about the noise.
“no wind goes in”
“less wind goes in”
To me those are different things, but I appreciate it might seem a bit black and white.
Either way, I just bought an evade 3, so I won’t be buying a new helmet any time soon except for xco.
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Yeah, I live where it’s very hot and humid, so I’ll never be buying an aero design. I’m all about more wind on my head!
This.
When I had that bumpy, cheese hole Catlike Mixino some years ago, I didn’t notice any difference in wind noise because it’s not something I’ve ever thought about. But in any new group, there’d be a couple riders who would keenly ask about wind noise with a concerned or quizzical look on their face. I was like, I don’t know… sorry. Obviously a factor for some and not others.