Yallstore via eBay offers this 30-Liter Military Tactical Backpack in several colors (Mud pictured) for $13.89 $12.99 with free shipping. That's the lowest price we could find by $10, excluding other eBay sellers, although it was a buck less a month ago. It features two zippered main compartments, front zippered pouches, MOLLE straps, and removable adjustable chest and hip belts.