The smartest connection between your feet and the trail. Realize your full potential and let the perfect functionality of the X-SOCKS® TRAIL RUN ENERGY 4.0 WOMEN accompany you on your path to maximal performance. With more than ten patented technologies, the high-tech X-BIONIC 4.0-generation trail run sock offers optimal comfort for mens feet. Three high-performance yarns are tightly knit into the innovative material: the particularly soft and climate-active Skin NODOR® yarn keeps your feet hygienically fresh; the lightweight Mythlan® yarn counteracts germs and odours; and Bisentio®, the multifunctional hollow fiber, is breathable, absorbs shocks and is extremely durable. Safety in the dark is also enhanced by the Albedo® 360-degree reflective yarn on the outer hem. The dense material structure encloses the shape-optimized Air-Conditioning Channel® 4.0, which provides ventilation for the sole of the foot. The Lambertz-Nicholson Achilles Tendon Protector 4.0 with ist newly dimens