Lightweight, multi-impact, ventilated liner system with repositionable EPP impact pads and LDV closed-cell comfort foam that is not affected by temperature, altitude, or moisture Pads are pre-molded to the shape of a head - no more “flat” blocks Occ-Dial adjustable fitband with replaceable leather front, nape, and side pads quickly detaches to allow convenient donning and doffing of COMs headsets with internal top headbands Integrated Head-Loc chinstrap retention system gives helmet 4x more stability than standard issue ACH helmet suspension / retention Easily installs using existing VELCRO Brand fastener hook interior disks and chinstrap mounting holes