Cuff and orthotic system

A cuff combinable with accessories for forming an orthotic system, comprising a cuff base in form of a lower shell and a fixation element which can be combined or is combined with the lower shell into a sleeve attachable to a limb through direct or indirect interlocking with each other, wherein the lower shell and the fixation element provide a system that can be tightened around the limb by reducing a circumference formed by the lower shell and the fixation element, such that load transfer from an accessory to the limb is enabled, wherein the interlocking between the lower shell and the fixation element comprises a magnetic connection, wherein in a body of the lower shell at least one first magnetic part is provided and in or at the fixation element at least one second magnetic part is provided such that by means of an attracting magnetic force between both magnetic parts the fixation element can be moved onto one side of the body of the lower shell or is or can be held at one side of the body of the lower shell.