It can be used to:- Improve blood circulation in lower limbs- Prevent leg swelling, edema and discomfort- Reduce the risk of DVT during long distance travelWide band to prevent slipping and binding.Reciprocating knit heel and toe for better fit and comfort.Reinforced stocking sole for long-wearing performance.Progressive compression helps to improve blood circulation.Ankle diameter 24-26cmLength of sock 42cm