An adjustable prosthesis system for a residual limb includes: an adjustable outer shell having a bottom, an adjustable inner volume, and an adjustable inner shape； at least one closure component attached to the outer shell and adapted to adjust the width of the inner volume and/or inner shape； an inner liner adapted to receive the residual limb and to be inserted in the inner volume； and an adjustable connector having a proximal end adjustably connected to a distal end of the outer shell and adapted to provide concurrently for a plurality of directional adjustments and/or angular adjustments of a position of the distal end of the outer shell relative to the proximal end of the connector, a distal end of the connector adapted to connect to a prosthetic device, wherein adjustments of the width(s) and the connector provide for a custom-like fit of the prosthesis on the residual limb.
