Details Mammut Sapuen Low GTX Hiking Shoes - Women's Mammut's Sapuen High Gore-Tex® boots are a great choice for hiking over mountains, moors and trails. Designed to support the natural rolling movement of the foot, they are anatomically shaped with Swiss precision, for maximum comfort and efficient energy use. With a Vibram® rubber blend outsole for secure grip on outdoor surfaces, a classic tongue construction for easy on/off and a sole design that supports self-cleaning, they're optimised for long hikes over varied terrain. The waterproof Gore-Tex® membrane guarantees dry feet. Flex index A6 Standard lacing system Vibram® Flextron II soles Stretch fabric upper GORE-TEX Performance Comfort Footwear lining Athletic Fit 3D memo foam Mammut Flextron Technology™ 3D Heel Foam Mammut Georganic 3D Technology Specifications Sapuen High GTX Hiking Boots - Women's