MSA Advanced Combat Helmet (ACH) delivers advanced ballistic, fragmentation, and impact hard protection, with unsurpassed comfort for long-term use. The helmet's low-profile design reduces the risk of interference in target acquisition and ensures compatibility with NVG's (night-vision goggles), MSA's CBRN Gas Masks, and MSA's communication devices. An innovative suspension system of movable comfort pads provides customized sizing and superior comfort. The sized pads conform to the shpae of your head to distribute the helmet's weight evenly and comfortable. Simply adjust and move the absorbent pads for a flexible, personalized fit.