MRC Opposition Half Helmet with Rail Mounted Headset - DOT is a lightweight forged carbon half shell helmet tailored for UTV, side-by-side, off-road, and motorsports use. It either comes with an integrated rail mounted headset or without it. This helmet offers protection, communication, and comfort all in one system. Highlights include a high strength, low weight forged Carbon Fiber Shell for performance and durability. An integrated Rugged Radios Communications Headset provides complete over-the-ear audio, with comfortable ear seals and a noise cancelling mic. The headset design swings away when not in use, and the helmet includes an easy-off ratchet clip system for secure hold and instant release. This DOT Certified helmet also has a MIL-SPEC Integrated accessory mounting rail and an adjustable precision fit retention system. Optional additions include a pre-installed HRM-210 Rail Mounted Headset.