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. Socks for the powerful runner, these feature gradual compression that combats gravity and accelerates venous return back to the heart. This improved circulation relieves the strain on the cardiovascular system and lowers the pulse rate. The Smart Compression Zone improved regeneration and reduces the risk of thrombosis.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