US Patent 10188196 Back pack with rain cover

A back pack with a rain cover is disclosed. The back pack comprises a front side facing away from a user and a back side facing towards the user when the back pack is carried. The back pack comprises a water proof base portion provided at the lower end of the back pack. The water proof base portion comprises at least an upwardly extending portion extending in a predetermined area on the front side of the back pack in a height direction of the back pack. The rain cover is adapted to cover only a part of the front side in a mounted state in such a way that at least portions of the back pack other than the water proof base portion are covered.