Overview of Compression Socks Made from either woven spandex or nylon, compression socks apply significant pressure to the legs. More pressure is applied around the ankle and gradually decreases up the leg. The reason why compression socks are used is because the pressure on the leg helps the blood circulate to the heart. This prevents swelling from o... in Public bookmarkswith compression_sockscompression_socks_for_runnerstherapeutic_compression_stockings Note: Made from either woven spandex or nylon, compression socks apply significant pressure to the legs. More pressure is applied around the ankle and gradually decreases up the leg. The reason why compression socks are used is because the pressure on the leg helps the blood circulate to the heart. This p ...morerevents swelling from o...