Compressport full v21 socks compressports full sock is the ultimate recovery sock combining the best of its r2 calf guard with its pro racing sock featuring the unique 3d dots design which offers protection of the medial malleolus and the achilles tendon features massaging acupressure activates blood circulation by multipoint massaging of the sole areaarchstim support technology supports the arch and promotes venous return and recovery3d dots design ensures maximum grip360 seamless compress