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The patented AlpineThermoShape material adapts perfectly to your ear canal, providing a snug yet irritation-free fit
#1 Slightly off-topic but hopefully allowed
The results were pretty conclusive: When switching between the ventilated helmet and aero helmet on Runs 2 and 3 (Run 1 was used to calibrate the device) the result was a 10.8-watt saving at the test speed of 37kph (22.99mph)
Also for a long 60 minute bike ride a person in great shape can average 100- 150 Watts of power
The helmet is well-ventilated with four holes on top and additional vents around the rear light
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