The X-SOCKS® Trek Silver guarantee a performance-enhancing barefoot climate® and create ideal conditions for mastering even the most demanding trekking tours. Men’s feet need intelligent protection when the path leads across rough terrain. Twelve patent-protected technologies in this special sock with fine APANI® Merino wool counteract the typical stresses associated with trekking. The X-BIONIC 4.0-generation models prove that outstanding quality can be further optimized through technological innovation. Perfected high-tech functions ensure a relaxed skin feeling, lasting comfort, more safety and enhanced endurance. The newly shaped Air-Conditioning Channel® 4.0 promotes air exchange along the sole of the foot. The modified Lambertz-Nicholson Achilles Tendon Protector 4.0 protects sensitive zones against pressure, friction and shocks. Skin NODOR® in the densely knit material neutralizes germs and odours.