https://www.dekut.com/India/fighter-pilot-helmet-for-sale/ The LD Project Flight Helmets are Modular & Lightweight with Dual Inner Visors. Multiple Communication Configurations - Passive Noise Reduction (PNR), Active Noise Reduction (ANR), Tactical PNR and ANR, Lightspeed ZULU H-Mod, BOSE and BOSE Bluetooth Mon, 31 Jul 2017 12:52:28 UTC en