Durable construction Made from 1000D nylon with a strong hookandloop closure, reinforced by a robust shock cord. All components are precision sewn for a tight, reliable fit and longlasting performance in demanding environments. patch for signal lights A patch with a hookandloop system provides a place to mount various signal lights. The attachment length is adjustable from 22 cm to 26 cm (8.6' to 10.2'), allowing placement tailored to the helmet setup. Multifunction design Versatile uses in the field: Can hold remote battery boxes for NVGs, keeping power within easy reach. Can function as a counterweight pouch to balance heavier helmetmounted gear for improved stability. Compatibility and fit Suitable for installing PVS31 and GPNVG battery packs. Compatible with most helmets that use a hookandloop system. Two to three practical use scenarios NVG ops: Attach a remote battery box to extend run time without adding bulk to the helmet, while maintaining balance. Weight balance: Use the pouch as a counterweight when mounting heavier NVG configurations to preserve helmet stability and comfort. Quick access lighting: Mount signal lights on the patch for enhanced visibility and signaling during operations, without obstructing NVG gear.