The Mammut Sapuen High GTX® hiking boot is the right choice on all kinds of terrain. Mammut Flextron Technology™ for the inner sole supports the natural rolling movement of the foot and thus delivers more efficient use of energy when hiking and mountaineering, while Mammut Georganic 3D Technology® guarantees maximum comfort. All components in contact with the foot are anatomically-shaped with great precision, while the classic tongue construction offers easy entry. Optimised for hiking, with a Vibram® rubber blend for secure grip on outdoor surfaces and a sole design that supports self-cleaning. The waterproof GORE-TEX® membrane guarantees dry feet.