Abstract: The present invention concerns a mould divided into three parts for the direct moulding of a membrane equipped with a series of suction cups having the particular shape of an open hourglass or of bellows or of a cylinder onto a support made of breathable, waterproof or hydrophilic material positioned on the intermediate mobile part of the mould which is pressed against the lower part of the mould during the moulding phase and raised after moulding has been completed thanks to a series of springs that bring it back to its original position permitting automatic removal of the moulded suction cups without damage to their particular shape.

Abstract: The present invention concerns the footwear sector and more specifically it concerns a membrane to be fitted as an accessory in the front part or covering the entire surface of the footbed of shoe soles consisting of a support in hydrophilic or breathable and waterproof material onto which a series of suction cups having the shape of an open hourglass or of bellows or of a cylinder are directly moulded in flexible thermoplastic material fitted facing the part where the foot rests in order to provide efficacious ventilation and waterproofing of the shoe and greater comfort during walking