With the X-SOCKS® TREK PIONEER WOMEN, you can master every challenge in your favorite sport and improve your performance on demanding trekking tours. Specifically designed for trekking enthusiasts, these special socks from the X-BIONIC 4.0 generation help you move smoothly through any terrain. Fourteen technologies integrated into the densely knitted material enhance their performance-boosting functions and prove that even excellent quality can be further perfected through continuous innovation. The optimally shaped Air-Conditioning Channel® 4.0 ventilates even more intensely, the improved Lambertz-Nicholson Achilles tendon protector 4.0 offers better protection, and the unique Partial Compression® provides maximum muscle control with its permanently cooling effect. The skin-neutral, hypoallergenic, and lightweight Mythlan® fiber combats germs and odors.