Abstract: This invention relates to a multiple use convertible backpack, in particular the backpack has an outer shell which is integrated with a convertible dual-sided fabric liner which may be utilized as a sleeping bag, blanket, cushion, or pillow. The backpack may be used to store additional items when the convertible dual-sided fabric liner is stowed inside the backpack. With the backpack remaining attached to the convertible dual-sided fabric liner when removed from the backpack, the outer shell may be used as a hood, or as an extension of the sleeping bag, blanket, or cushion into which the user's feet may extend or be placed. Alternatively, the outer shell may serve as a bag, attached to the dual-sided fabric liner, into which additional materials, items, or personal belongings may be placed, while the convertible dual-sided fabric liner is removed from the backpack.