“Play more and enjoy your freedom with the RIG 300M. The RIG 300M comes with a 1.5 liter reversible, top-rack dishwasher safe hydration engine backed by a lifetime warranty. 300 cubic inches of space, suitcase-style gear loading, and the addition of diagonal molle straps means you can carry your pressurized engine and all the essentials needed for a day trip with ease, comfort, and style.