TX4 Mid GTXThe high cut collar protects the ankle and confers flexibility and stability for a full control of the support of the foot while the STB Control System(TM) provides further structure and torsion stability on traverse routes. A clean and simple design, waterproof features and breathability are guaranteed by Gore Tex, the boot guarantees high abrasion resistance thanks to the PU TechLite all round rand the MegaGrip Vibram sole with climbing zone at the