A customisable seating support for a seat base, the seating support comprising a posterior portion for receiving a user's posterior thereon, a first thigh support for receiving one of the user's thighs thereon and a second thigh support for receiving the other of the user's thighs thereon, wherein each of the thigh supports is spaced from a front surface of the posterior portion to form a gap between the posterior portion and the thigh supports; wherein each thigh support is independently connected to the posterior portion via a respective multi-directional connection that is provided in the gap and is configured to allow the position of each thigh support to be independently adjustable between: a neutral position, in which the first and second thigh supports extend in a direction from the front surface of the posterior portion to a front of the seating support in a substantially parallel arrangement, and an upper surface of each of the thigh supports lies generally horizontally; an upwardly or downwardly inclined position; and an inwardly or externally rotated position, such that each thigh support is: tiltable upwardly and/or downwardly about the multi-directional connection, and relative to the posterior portion; rotatable outwardly from a virtual mid-line that passes between the thigh supports from front to back of the seating support in the neutral position, and about the multi-directional connection to form an abducted position; and wherein the first thigh support is configured to be externally rotated to angle away from the second thigh support to an abducted position, and the second thigh support is configured to be internally rotated to angle toward the first thigh support to an adducted position. wherein each of the thigh supports is spaced from a front surface of the posterior portion to form a gap between the posterior portion and the thigh supports; wherein each thigh support is independently connected to the posterior portion via a respective multi-directional connection that is provided in the gap and is configured to allow the position of each thigh support to be independently adjustable between: a neutral position, in which the first and second thigh supports extend in a direction from the front surface of the posterior portion to a front of the seating support in a substantially parallel arrangement, and an upper surface of each of the thigh supports lies generally horizontally; an upwardly or downwardly inclined position; and an inwardly or externally rotated position, such that each thigh support is: tiltable upwardly and/or downwardly about the multi-directional connection, and relative to the posterior portion; rotatable outwardly from a virtual mid-line that passes between the thigh supports from front to back of the seating support in the neutral position, and about the multi-directional connection to form an abducted position; and wherein the first thigh support is configured to be externally rotated to angle away from the second thigh support to an abducted position, and the second thigh support is configured to be internally rotated to angle toward the first thigh support to an adducted position. tiltable upwardly and/or downwardly about the multi-directional connection, and relative to the posterior portion; rotatable outwardly from a virtual mid-line that passes between the thigh supports from front to back of the seating support in the neutral position, and about the multi-directional connection to form an abducted position; and wherein the first thigh support is configured to be externally rotated to angle away from the second thigh support to an abducted position, and the second thigh support is configured to be internally rotated to angle toward the first thigh support to an adducted position.