LEAKED GAME ASSETS Backpack Collection Men's Unity Backpack Large in Black navy Balenciaga US Backpack Stacking Unity Asset Store Men's Unity Backpack Large in Black navy Balenciaga US Backpack PBR 3D Unity Asset Store Balenciaga Medium Unity Backpack Black FARFETCH. Unity Backpack by Balenciaga, top handle, adjustable shoulder straps, front flap and buckle closure, two zippered pockets for closure on side panels, iconic contrasting brand monogram on front flap, zippered slit pocket on flap.