Just a quickie, Im thinking about buying the specialized s-works 2D helmet, http://www.wiggle.co.uk/p/cycle/7/-_-/5360032398/, to replace my wrecked specialized decibel helmet, http://www.evanscycles.com/products/specialized/decibel-helmet-ec010577. I really like the decibel, hence why I am staying with specialized. My only dislike of the decibel was that it had quite a wide profile, making my head look like a mushroom/b***end on occasion Anyone know if the 2D has a narrower profile?

Maybe a touch more streamline, fit is similar. Regardless of how it looks the 2D is as good as it gets in helmets. Maybe a few as good, but none better IMO.

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I've been riding my S-Works helmet for the last year and have no complaints about it. Who cares about the mushroom headed look anyway? You don't have to look at it. It truly is the most comfortable helmet I've ever worn.

I used to have a decibel, but switched to the Catlike to stop the look you describe.

Much nicer shin strap, nothing else really stands out as different (unless you wear a cap which is a little more difficult)

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Dimples: Laminar flow separates more easily from a surface than turbulent air. Delayed separation reduces drag. A groove perpendicular to the flow triggers laminar to turbulent conversion. A spinning object uses dimples so an edge always faces the flow.

You know, if you're concerned about looks, the only way to decide if you like the fit/looks of a helmet is to try it on. Asking on the www won't help much. Brand loyalty is one thing, but the question you're asking indicates that the way it fit/looks is more important to you than brand. Just go to a bike shop and try on some helmets and pick the one you like! There's a million good helmets out there with excellent fit/adjustment features. Get the color and shape you want.