With less than 30gr, the OTSO Recovery Socks are super light and offer the best sensation of comfort.Suitable for day to day to avoid the feeling of tired legs and to improve blood circulation.They offer an average graduated compression of 18 to 22 mmHg.They offer more compression on the ankle than on the calf, which allows for greater venous flow, that is, more oxygenation in the blood and muscles.They also help reduce muscle vibration caused by the impact of our body against the ground with each step.