7i DP Project 23 ABS Helmet Comprehensive protection Seven Intelligent Design Protection is back at it again with the 7i DP Project 23 ABS Helmet, a new take on 7i DP's popular downhill helmet, now with an updated look. The ABS shell helps reduce weight and absorb shock, making the Project 23 ABS Helmet incredibly light and strong, all at an exceptional value. 23 big-bore vents provide superior ventilation and the quick-release liner allows you to easily take out the liner to wash. To add the finishing touches, 7i DP used an adjustable visor that also breaks away in the event of a crash to help minimize injuries to the neck. Features 23 big bore vents For maximum airflow. Quick-release liner For easy washing and cleaning. Adjustable breakaway visor Adjustable visor that breaks away in the event of a crash. SPECIFICATIONSCore Material EPSClosure system Buckle Safety Certifications CE, CPSC Bicycle & ASTM F1952-15 (Downhill)Intended Use DH, Freeride Weight850g (size large)Sizing Size Extra Small Small Medium Large Extra Large XX-Large Head Circumference (cm)53-5455-5657-5859-6061-6263-64 | 7Idp | Project 23 Abs Helmet Men's | Size Extra Large In Graphite/black