The EXFILA(R) LTP (Lightweight, Tactical, Polymer) bump helmet offers a stable, comfortable platform for mounting night vision and other accessories while providing the highest level of impact protection. The built-in NVG shroud utilizes an integrated WilcoxA(R) machined aluminum shroud insert. The helmet features a ZorbiumA(R) foam liner along with a CAM FIT(TM) retention system with easily adjustable Cam Lock sliders and a micro-adjustable BoaA(R) dial. Please note, 2.0 rail helmets are drop shipped from Team Wendy. We carry the 3.0 rail in our warehouse.