FEATHERWEIGHT: Our G1 MIPS is the lightest helmet we have ever made and the climbers’ favorite on the ProTour. MIPS: Utilizes the Multi-Directional Impact Protection System to redirect energy in a crash. SUPREME COMFORT: The Super Lightweight ARS Fit System ensures a snug and comfortable fit with no pressure points. The head basket is adjustable. Two sets of pads are included so you can choose between superlight and comfort pads. GREAT VENTILATION: Twenty-two vents and internal air channels create 8% more airflow over the head than wearing no helmet at all. AERODYNAMIC ADD-ON: When you’re after every bit of speed, the addition of the Aeroshell (sold separately) transforms the G1 MIPS into an aero helmet. So light you’ll forget you’re wearing it. So well ventilated your head will stay cool on the toughest of climbs. So versatile it can transform into an aero helmet in one easy step. This is the G1 MIPS.