The 610 M-D active is suitable for the comfort oriented mountain biker and the sporty trekking rider. The M-D Line was developed for maximum relief of sensitive areas.  Pressure distribution according to medical criteria. M-D provides maximum dip and in combination with the high classic step shape, distributes the body weight to the sit bones.Weight - Numerous findings from the development have been incorporated into the shell design, making it significantly lighter.Relief - The M-D line provides maximum dip and, in combination with the high, classic step shape, the body weight is distributed over the sit bones.Comfort - Many small improvements in shape add up to a significantly improved level of comfort.Perfect Fit - The prerequisite for optimum relief is a fit that is perfectly suited to the cyclist, because only in this way can the sit bones rest fully and the perineal area be relieved.Maximised Dip - Maximum relief of the sensitive areas. The relief of the perineal area is very hig