- HOTNESS UNHOT
Ends at 9PM PT. Price Plunge has the Core Products AirPacks Ergonomic Backpack, Medium (Navy, Brown, or Olive) for $13 - 5% off with coupon code SUMPERC5 + $5 shipping = $17 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.