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. Compare prices from: X-socks in Men's Underwear