A leather boot with extended Gore-Tex comfort lining designed for technical approaches and through the railings, belonging to the Traverse X Series approach: ideal for prolonged use by guides and mountain operators. Every detail is designed to guarantee the handle, comfort and protection during the approach phase and to encourage technical use to the base of the wall. TX4 is a "built" robust, built, built to last thanks to the Stb Control System ™ construction system which provides torsional structure and stability. Clean and essential design thanks to the very robust leather upper, with high resistance to abrasion thanks to the Pol Techlite sole, to all Techlite, to a climbing area with the tip and the impact brake system on the back: designed for climbing and descent on earthly technique. The lacing system derives from the myth climbing model and allows the adjustment of the voltage and the volume of adaptation in a single movement. Traverse X is the maximum expression of moving in the mountains comfortably, quickly and safely.