Described herein are systems and satchels, with an integrated head-mounted display, including a body with sides and a bottom forming an interior and a concavity opposite the interior, the interior and the concavity separated by the bottom and each open at one end, the concavity configured to accept a head-mounted display; and at least one reversible connector configured to reversibly retain the head-mounted display accepted in the concavity, wherein when the head-mounted display is accepted and retained in the concavity the sides are substantially flush with the head-mounted display; and a strap comprising two ends and a reversible connector at each end, the strap convertible to reversibly attach to the body to form a satchel strap or to reversibly attach to the head-mounted display to form a head-mounted display strap.

Disclosed is an elastic hollow breathable massaging burden-reducing backpack. Two flexible straps are arranged on the front surface of the backpack in a bilateral symmetry manner, the upper end of each strap is connected to the upper part of the front surface of the backpack through an elastic rope, and the lower end of each strap is fixed by a strap buckle. Each strap is provided with an elastic auxiliary strap, two ends of which are fixed on the corresponding strap. Massage pads are arranged on the inner sides, in contact with human shoulders, of the straps, and a groove, corresponding to the human spine, is formed in the front surface of the backpack.

Disclosed is an elastic hollow breathable massaging burden-reducing backpack. Two flexible straps are arranged on the front surface of the backpack in a bilateral symmetry manner, the upper end of each strap is connected to the upper part of the front surface of the backpack through an elastic rope, and the lower end of each strap is fixed by a strap buckle. Each strap is provided with an elastic auxiliary strap, two ends of which are fixed on the corresponding strap. Massage pads are arranged on the inner sides, in contact with human shoulders, of the straps, and a groove, corresponding to the human spine, is formed in the front surface of the backpack.

Methods and systems are provided for a backpack system including a frame-less waterproof bag and a backpack frame. In one example, a frame-less waterproof bag may include a frame-cap coupled to an outer surface of the frame-less waterproof bag. The frame-cap may be adapted to couple the frame-less waterproof bag with the backpack frame while maintaining a waterproof quality of the frame-less waterproof bag.

Methods and systems are provided for a backpack system including a frame-less waterproof bag and a backpack frame. In one example, a frame-less waterproof bag may include a frame-cap coupled to an outer surface of the frame-less waterproof bag. The frame-cap may be adapted to couple the frame-less waterproof bag with the backpack frame while maintaining a waterproof quality of the frame-less waterproof bag.

In some embodiments, a strap assembly has a chest compression strap having a loop at one end, a connection fitting having an anchoring strip at one end proximate a connection fitting connector and configured to attach to a pack at another end opposite the anchoring strip, and a shoulder strap having a channel proximate a shoulder strap connector and configured to retain the anchoring strip when the connection fitting connector is attached to the shoulder strap connector, the shoulder strap being configured to attach to a pack at another end opposite the shoulder strap connector, the shoulder strap having a guideway through the channel configured to receive the chest compression strap loop, wherein the anchoring strip engages the loop when the anchoring strip is retained in the channel.

A bag (e.g., backpack) having a removable panel. The removable panel may be releasably and selectively coupled to the bag using various mechanisms, such as hook-and-loop fasteners, zippers, magnets, clasps, clamps, hooks, buckles, snaps, and buttons. The removable panel acts as the front face of the bag when it is coupled to the bag.

A bag (e.g., backpack) having a removable panel. The removable panel may be releasably and selectively coupled to the bag using various mechanisms, such as hook-and-loop fasteners, zippers, magnets, clasps, clamps, hooks, buckles, snaps, and buttons. The removable panel acts as the front face of the bag when it is coupled to the bag.

A backpack providing enhanced storage and a carrier for holding a child is disclosed. The backpack includes a back plate having a receptacle for storing items. Further, the back plate includes connecting straps drawing through strap openings. The back plate includes shoulder straps. The backpack includes a face plate having a receptacle for storing items. The face plate connects to the back plate. The backpack further includes a front plate having front plate strap connectors and top straps. A user puts on the first shoulder straps over his shoulder to use the back plate as a backpack. Further, the user connects the front plate strap connectors to the connecting straps, and the top straps to the first shoulder straps creating a child receiving portion. The user places a child in the child receiving portion between his body and the front plate for use as a carrier for holding a child.