this backpack from G4free is for you. This versatile and lightweight backpack, at only 0.78 pounds, is made from water-resistant polyester fabric and features a special webbing system that's used ...
Kouchaki, M., F. Gino, and A. Jami. "The Burden of Guilt: Heavy Backpacks, Light Snacks, and Enhanced Morality." Journal of Experimental Psychology: General 143, no ...