Formula Cc Tektonic Helmet Black/Red/Orange XlFeatures: ECE DOT approved ADAPTIVE IMPACT SYSTEM Tri weave composite shell is comprised of carbon fiber, DuPont* Kevlar? and fiberglass, producing a lightweight shell with superior penetration resistance Impact Energy Cells made of RHEON, the Impact Energy Cells maximize absorption of low speed linear and rotational impacts, reducing forces transmitted to the brain Conehead? Dual density Expanded Polystyrene (EPS) Technology provides a softer liner