Choose from three liner families: Lux Liners, EEP Liners, and ACH 360 Liners. Lux Liners provide a one-piece full coverage impact layer with modular, breathable comfort pads that can be customized and repositioned for comfort without affecting impact performance. EPP Liner Kit pads, layered with LDV closed-cell comfort foam that seals out air, dust and moisture, provide a lightweight, multi-impact ventilated liner. And, the ACH 360 Liner’s two-piece construction maintains blunt impact protection throughout the head regardless of location of the Comfort Pads. Pads on all liners are repositionable to suit individual comfort. Different retention options are available for varying mission needs: Worm Dial provides a quick adjustment in a low profile fitband; traditional H-Nape is designed provide NVG support; the advanced X-Nape self-adjusts to back of head for an ultra-clean, low profile; and the Occ-Dial adjustable fitband with replaceable leather front, nape, and side pads quickly detach to allow convenient donning and doffing of communication headset with internal headbands.