Foldable gliding sports apparatus, wherein the foldable gliding sports apparatus is preferably controllable by upper body and/or arms and/or hands and/or fingers, which gliding sports apparatus extends from a leading edge to a trailing edge in an intended direction of overflow when it is fastened to a user , and wherein the gliding sports apparatus at least comprises: - two shoulder ribs which extend substantially from the leading edge to the trailing edge , and wherein each of the shoulder ribs is connectable fixedly to an upper arm of the user but is rotatable about the axis of the upper arm, - two arm ribs which extend substantially from the leading edge to the trailing edge , and wherein each of the arm ribs is fixedly connectable to a lower arm of the user ; - two hand ribs which extend substantially from the leading edge to the trailing edge , and wherein each of the hand ribs is connectable fixedly to a hand of the user , - a back airfoil which is formed between the two shoulder ribs , and - two arm airfoils, which are formed in each case between a shoulder rib and a hand rib . wherein each of the two arm airfoils is divided into an upper-arm airfoil , which is formed between the respective shoulder rib and arm rib , and a lower-arm airfoil , which is formed between the respective arm rib and hand rib ; characterized in that - the gliding sports apparatus comprises a receiving element for at least partially receiving an arm of the user , wherein the shoulder rib and the arm rib are fastened fixedly to the receiving element, wherein the receiving element is formed from an upper-arm receiving element for receiving the upper arm and a lower-arm receiving element for receiving the lower arm , which are connected to one another by way of a flexible connection and which, together, form a torsionally stable receiving element, and wherein the shoulder rib is provided on the upper-arm receiving element and the arm rib is provided on the lower-arm receiving element. - two shoulder ribs which extend substantially from the leading edge to the trailing edge , and wherein each of the shoulder ribs is connectable fixedly to an upper arm of the user but is rotatable about the axis of the upper arm, - two arm ribs which extend substantially from the leading edge to the trailing edge , and wherein each of the arm ribs is fixedly connectable to a lower arm of the user ; - two hand ribs which extend substantially from the leading edge to the trailing edge , and wherein each of the hand ribs is connectable fixedly to a hand of the user , - a back airfoil which is formed between the two shoulder ribs , and - two arm airfoils, which are formed in each case between a shoulder rib and a hand rib . wherein each of the two arm airfoils is divided into an upper-arm airfoil , which is formed between the respective shoulder rib and arm rib , and a lower-arm airfoil , which is formed between the respective arm rib and hand rib ; - the gliding sports apparatus comprises a receiving element for at least partially receiving an arm of the user , wherein the shoulder rib and the arm rib are fastened fixedly to the receiving element, wherein the receiving element is formed from an upper-arm receiving element for receiving the upper arm and a lower-arm receiving element for receiving the lower arm , which are connected to one another by way of a flexible connection and which, together, form a torsionally stable receiving element, and wherein the shoulder rib is provided on the upper-arm receiving element and the arm rib is provided on the lower-arm receiving element. <EOS>