Hiking shoe with cutting-edge technology.The Sapuen High GTX is the right choice on all kinds of terrain. Mammut Flextron® technology supports the natural rolling movement of the foot and thus 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. Optimized for hiking: 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.• Lace system: Standard lacing• 3D Memo Foam: Cushioning adapts to your foot shape for exceptional comfort, support, and blister prevention• Elastic knitted sock constructionMaterials• Stretch fabric• Soles: Vibram® Flextron II• Lining: Gore-Tex Footwear