Walmart offers the Lowepro Slingshot Edge 250 AW Camera Backpack in Black for $54.52. Opt for in-store pickup to drop it to $52.91. That's $7 under our December mention and the lowest price we could find by $15. It features adjustable straps, interior pockets with removable dividers, and storage for an SLR body, two lenses, and a flash in the main compartment.