Among the most innovative and high performing socks available, X-SOCKS help the body, and more specifically, your feet, adapt naturally to ever-changing environments. These socks have used lessons from nature to expand the capabilities of feet, perfecting the communication between your body and its active environment. This features X-BIONIC Partial Kompression, developed for long-distance running. The compression stabilises muscle oscillation and optimises the transport of nutrients. Pressure is only distributed horizontally across the knit ridges, using your skin as the cooling surface. As well as air conditioning, there are cushioning zones and an anatomically designed footbed.Protection features:*Air-Conditioning Channel: Ventilates and dries*Self-Adjusting Cuff: Guarantees perfect hold without slipping or constricting*X-Cross Bandage: Stabilises the ankle joint*Airflow Ankle Pads: Provides the ankle with maximum protection*Toe Protector: Protects the toes right up to the very tips, guarding against blisters and chafing*Lambertz-Nicholson Achilles Tendon Protector*Aircool Stripes: Cooling channels*Anatomically Shaped Footbed: Specific L and R socks within a pair for the perfect fit*Traverse Airflow Channel System: Cross ventilation under the sole*Heel Protector: Guards against pressure and friction*Instep Protector with Aircool Stripes: Cushions and ventilates*Positioning Lines: Adjustable on the shin, this guarantees that the Partial Kompression zone lies optimally in order to fully experience its value