Altatac via eBay offers the Coleman Max Lightweight Hydration Backpack
, model no. 2000008840, in Red/Grey (pictured) or Lime/Green for $19.99
with free shipping
. That's tied with our mention from nine days ago and the lowest total price we could find by $40. This 8-liter backpack comes with a 2-liter hydration bladder and features a Microban-treated anti-microbial bite valve.