Air Flow System - Ventilation slots throughout the frame of the helmet to increase breathability.
Fleece Face Foam - Fleece backed face foam provides a superbly comfortable fit.
Polyurethane Injected Frame - Light and sturdy, this frame is built to be flexible on your face without weighing you down.
VLT stands for Variable Light Transmittance, which is the percentage of light that is allowed to penetrate the lens, for brighter conditions you'll want a lower VLT rating and with darker conditions you'll want a higher VLT rating.
Sunny - VLT between 0% and 18%