Bern Macon 2.0 MIPS Helmet Comes with summer pad set to easily convert to a summer bike helmet! Weight: 376 Grams Safety Standards: CPSC, EN1077B, EN1078 Construction: ThinShell Fit System: EZ Fit Vents: 12 QUICKMOUNT LIGHT COMPATIBLE: The Quickmount Asteroid is a micro-USB rechargeable bike light. It is easily fastened to the two-hole mount located on the rear of the helmet’s shell. EZ-FIT: A no fuss elastic system auto adjusts to the perfect fit everytime, just put it on and ride! MIPS: Multi-Directional Impact Protection System. Designed to protect against rotational violence to the brain caused by rotational impacts. Ride in style with our reimagined classic, the Macon 2.0. We’ve revisited the original Macon design and brought it to 2020. It is lighter, safer, and more comfortable than ever. This helmet updates the original silhouette of the Macon and is certified for all-season and multisport by simply switching out the summer or winter liners. The Macon 2.0 brings new safety standards, trendy and timeless colors, and tech updates to help you Stay Out There all year round. Rotational motion can cause brain injuries. The low friction layer allows a sliding movement of 10-15 mm in all directions, reducing rotational motion to the brain during impact. Bern Macon 2.0 MIPS Helmet - 2022 model