I have a Kask Protone and love it, but if Kask fits your head well (as others have said, fit is most important) and you want aero, the new Kask Utopia would be my pick over the Protone.
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I have a Kask Protone and love it, but if Kask fits your head well (as others have said, fit is most important) and you want aero, the new Kask Utopia would be my pick over the Protone.