Until 5 pm ET (or 100% claimed), Amazon offers the SwissGear 15" Laptop Backpack in Black/Red, model no. 1775, for $29.99 with free shipping. That's $30 off and tied with our July mention as the lowest total price we've seen. This backpack features a laptop sleeve that fits most 15" laptops, external dual pockets, airflow back system, and contoured shoulder straps.