GoLite HydroCruise Hydration Lumbar Pack for $28.73. Select in-store pickup at REI to save on shipping. Otherwise shipping is free for orders over $50. If needed, use this Filler Tool to qualify for free shipping. Here is a screenshot for your reference. It features angled, lightly-insulated bottle holsters with bottom drain holes that hold 1-liter or 1.5-liter water bottles (not included) and 2 zippered compartments to fit lunch and more.