Fully padded, single compartment bag. Zipper closure opens from the top, side or unzips pack completely to reveal interior composite panels lined with Velcro loops and daisy chains for versatile pouch/radio configurations or camera equipment. Top lid has extended zippered pocket plus stash pocket and two zippered side pockets carry 3L bladder or 1L bottles. Radically light in weight C2 composite construction suspension system holds load tight and close to the body, avoiding shifts in weight to conserve energy. Velcro One-Wrap cable/hose management system and integrated hydration ports.Radically lightweight C2 suspension system holds load close to avoid shifts and conserve energy. Dual density shoulder straps distribute weight over broad and more rigid surface. Full U-zip opens for top loading, side duffel access or flat to expose all contents. Removable support stays can be shaped for custom fitting over personal protective equipment. Exceptionally durable high tenacity nylon textile withstands hard use. Two side pockets with hydration ports; lid has extended top pocket and stash pocket. Quick release buckles on shoulder straps; removable thermo-molded hip pods.