The newly developed Kunert travel socks promote a healthy lifestyle. Sitting down or standing up for long periods of time can cause swollen & fatigued legs. The innovative Kunert knitting technology actively improves circulation & offer the optimum in travel comfort. This products has been tested & recommended by Deutsche Lufthansa Airlines & the Charite Berlin. You will obtain the best prevention of heavy, swollen legs if you wear the travel socks the day before & after your journey. They are also perfect for people who are standing for long periods of time when working. They will help to prevent pooling of blood at the ankles & so relieve tired legs. N.B This is a unisex product.