The Blade KinetiCore is built for days that move between road pace lines and quiet gravel roads. KinetiCore rotational impact protection sits directly inside the shell instead of bolted on as a separate layer, which keeps the helmet lighter and better ventilated than an add-on system. The Advanced TurnSys fit dial and soft padding hold a stable, comfortable fit from the first mile to the last. What Our Gearhead(R) Experts Are Saying:"I've worn helmets with bolted-on rotational liners that squeak by the second hour. This one stays dead quiet, and I stop noticing I'm wearing it at all once the ride settles in."