The Impact bum bag offers a maximum capacity of 5 liters and a double closure at the waist via an elastic band with velcro closure and plastic buckle. Furthermore, in the lumbar area there are special rubber applications to ensure a perfect grip. The belt also has a pocket for the license, an internal area with an identification label for the cyclist and many pockets: a rear pocket for tools, an additional pocket with a small transparent pocket for accessories, a side pocket for a removable water bottle, another removable object pocket, and a document holder.