POC - Octal Aero, Helmet for Road Biking FAST: External microshell for aerodynamic performance FEATURES: High performance EPS liner that is optimized in density and fully wrapped in n unibody PC shell construction VENTED: Temperature regulating Coolbest padding FIT FOR YOU: Size adjustment system with straps molded into the liner ATHLETE APPROVED: Used and preferred by the Cannondale Pro Cycling Team