Ultra-light and breathable High-Cut sports sock.ARChFIT technology lifts the arch of the foot by tilting it inward, damping each impact received by the foot, reducing the risk of injury, and taking care of joints and delaying fatigue.Designed to exert pressure in a controlled way and studied anatomically up to the knee, exerting a useful support to the calf muscle.Features:- High cut.- Ultralight.- Self-adjusting.- Extra-breathable.- Anti-fatigue.- Stabilizes the heel.- Improves blood circulation.- Reduces risk of sprains.-Protects the Achilles tendon.