REI offers the Granite Gear 29-Liter Champ Backpack in Petal/Neolime/Black or Neolime/Flint/Chromium for $11.73. Opt for in-store pickup to avoid the $5.99 shipping charge. That's the lowest price we could find by $35. It features a padded shoulder harness, side compression straps, and ergonomic design. Also available is the Granite Gear 29-Liter Brimson Backpack in Petal/Neolime/Black for $11.73.