This Radio Chest Harness, originally designed by Tim Moore has 2 Radio Pouches, one uses a strapping systems as found on the RCH-101 and the other is a pouch style found on the RCH 100. Also holds one Pen and AA Flashlight has Antenna & Lapel Mic keepers. Zippered top entry for a 9-1/2" x 9-1/2" Map Pouch. Back side of harness has a stitched in "Ladder System" that allows the user to adjust shoulders straps for a comfortable fit.