The mbag 80pn is padded to protect your equipment and features an asymmetric tapered shape fitting a tripod with the head attached tripod legs fit comfortably in the narrower end diameter 15cm and extra space is allowed for the larger volume of the head at the wider end diameter 21cm this also means it is easier to put the tripod and head in the bag even if the head levers and knobs are fitted and jut out slightly please note the internal length of this tripod bag is 76cm