Kask Nirvana Helmet is Kask's most aerodynamic road helmet to date, built around a truncated teardrop shape and subtle ear covers that borrow design cues from time trial helmets. The Aero Control shell is engineered to cut through the air more efficiently than a standard road lid, and Kask says the Nirvana delivers 35 percent less aero...
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Extremely comfortable and not much difference from a ventilation standpoint than the previous utopia helmet, which I think is good. But I was hoping it would cover more of the ears and take away more wind noise, which is what some reviews claimed. All in all a solid helmet