G1, the lightest helmet Lazer has ever made, resets the bar for top level performance cycling. So light you will forget it’s on your head! Featuring a superlight version of our Advanced Rollsys System® and Adjustable Head Basket creating an easy to adjust and always perfect fit. Fully vented for maximum cooling. Race or Comfort padding sets included to shave grams or increase comfort.Advanced Rollsys® system.