US Patent 11758999 Pack

A pack may include a main compartment to extend along a back of a person wearing the pack, wherein the main compartment has a front side to extend proximate the back of the person and a rear side to extend distant the back of the person. The pack may include left and right compression panels and a main compartment cinching system. The left and right compression panels extend along the left and right sides of the person, respectively, to the rear side of the main compartment. The compartment cinching system has left and right cinch cords and left and right cinch cord retainers located along left and right sides of the person, respectively, when the pack is worn. The left or right cinch cords are pullable to concurrently compress the main compartment and cinch the left and right compression panels about a torso of the person.