The Stirup 20-30mmHg Open Heel-Toe compression socks by ACHI+ provide targeted compression zones to decrease the risk of achilles injuries, shin splints, blood clots and muscle fatigue. Their covered inlay yarns ensure maximum breathability and keep feet dry and blister-free. Medical prescription required.
| U.S. | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 |
| Europe | 35.5 | 36 | 36.5 | 37 | 37.5 | 38 | 38.5 | 39 | 39.5 | 40 | 40.5 | 41 | 41.5 | 42 | 42.5 |
| U.K. | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 |