Poc octal raceday helmet cannondale the award winning octal helmet has been engineered to take the next step in road bike helmet safety and offers optimal ventilation comfort and weighs less than 200 grams size m ce version to further improve safety the octal provides more coverage and additional protection for the temples and back of the head and the eps liner is strategically thicker in the most exposed areas the fully wrapped unibody shell construction functions as a monocoque and enha