- HOTNESS UNHOT
Ends at 9PM PT. Price Plunge has the Core Products AirPacks Ergonomic Backpack, Medium (Navy or Olive) for $16 + $5 shipping = $21 shipped. Also available in Large (Black or Brown) for $22 shipped. Found elsewhere for $40+. Features an inflatable lumbar cushion and wide shoulder straps, and includes an air pump; claims to make loads feel up to 50% lighter.