The POC Skull Dura X Mips helmet is FIS-certified & packed full of technology to keep you protected on the racecourse. It has a multi-impact EPP foam liner, & Mips increases protection from rotational falls. The size adjustment system ensures a snug fit & it’s compatible with POC’s Maxilla chin guard. Construction The outer shell uses a blend of ABS & Polycarbonate for a balance of durability & stiffness, while the internal liner is made from impact-absorbing EPP foam. Fit POC’s Race Lock system provides size adjustment for a snug & secure fit by twisting the dial at the rear. Additional Safety Mips Integrra is a low friction layer between the shell & liner allowing a slight movement between them. It is designed to re-direct energy away from the head & brain in the event of certain angled falls. The EPP shock-absorbing liner can withstand multiple impacts, depending on the severity, making it a great choice of material for race helmets. Safety Standards FIS RH 2013, . ..