Poc octal aero raceday helmetthe poc octal aero raceday helmet is as streamlined as youll find without buying a full on time trial helmet it benefits from pocs computer simulations and extensive wind tunnel testing together with the aerodynamic specialists in their watts lab so whether youre racing the clock or aiming to leave your mates behind youre equipped to beat both professional aerodynamicsbeing slippery through the air is key when youre racing and the octal aero is part of poc