Navy-toned checked raincoat with hood - Brand: COMME CA ISM - Color: Checkered (navy tones) - Features: Hooded, button closure - Style: Casual The back button allows for some adjustment of the width. While it won't fit over a school backpack, it seems like you could wear it over a small backpack. Please note there may be some creases from being folded for storage. Please understand that this is a used item before purchasing. Thank you for looking.