The altura transit lite rackpack is apart of alturas lite range the rackpack is constructed from a foam shell to save weight and achieves half the weight of the altura transit rackpack while the weight has been reduced the functionality of the pack that originally made the bag so popular is still here with 2 external zippered pockets for smaller items and tools you are able to organise your rack pack to suit you there is also an internal zipped mesh pocket which is ideal for your valuables