This optimises shock-absorption, greatly reduces muscle oscillation & provides increased support to the Achilles tendon. The US calf guard boosts your venous return, reducing the accumulation of toxins while increasing oxygenation to the muscles. The reduction in lactic acid build-up coupled with its shock absorption properties protects you from muscular fatigue & damage. Compressport compression products are meant for all levels & abilities & are suitable for almost any sport. Train, compete & recover in Compressport.