This multi-purpose pack can be carried in three different ways: around the waist, cross body, or as a chest rig attachment to backpacks. Compatible with the Premier Body Armor Vertx Long Walks MP Waist Pack Level IIIA Insert. There is a hidden rear compartment with chest rig attachment system. The spacious main compartment features velcro Brand loop for flexible customization using Tactigami accessories. Low profile low snag top handle ensures a sleek appearance while being easy to grab on-the-go. The front compartment includes loop strip and key lanyard for convenient organization. Made from lightweight, highly-durable mini-ripstop nylon fabric, with water-repellent finish. This pack can utilize any IWB holster with the Vertx Belt Adapter Panel, MPH Sub to fit any sub-compact handgunand any modular holster from Crossbreed Holsters, including the Rose P365.