A cantilever shelf bracket assembly, of which the vertical wall engagement member, the horizontal platform and the overhanging retention member together define the respective inner end, bottom and top of a shelf receiving throat; a resilient cushion and interlock member adhered to the shelf with one leg extending between the shelf inner edge and the inner end of the throat, and the second leg being between the top of the shelf and the overhanging retention member; there being mutually facing interlock grooves extending in from the ends of the bracket, removable end caps and protrusions that interfit into the interlock grooves for securing the shelf in the bracket.