REINFORCEMENT SHOE INSET FOR CROSS-COUNTRY SKIING WITH METATARSALE JOINT MECHANISM

摘要

Subject of the invention is a reinforcement shoe inset for sports shoes, in particular, but not limited to cross-country skiing shoes reaching from the front part of the shoe to the heel part consisting of a sole area unit (2) and lateral structures (3) originating from it, starting from the metatarsal part of the shoe (1) and rising towards the ankle until the adequate height is reached which enables an optimum link between the top and bottom elements of the sports shoe.