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. The RIG 300M comes filter ready with a FREE Aquamira Frontier Max Filter Casing. Customize your Frontier Max with any Certified Series IV filter to make the ultimate hydration system. Features: - 1.5 Liter (50 oz.) Hydration Engine - Quick release valves on drinking and pressurization tube - Slide top and wide open mouth for fast refill - Reversible, dishwasher safe reservoir - Made from durable 1680D Ballistic Nylon - 300 cubic in. (5L) storage capacity - Diagonal molle straps for attaching molle acccessories and hanging gear - Small internal pockets for storing daily essentials like a phone, keys, and snacks - Suitcase style design for easy gear loading - Large zipper pulls for each opening and closing - Ergonomic fit, terraced overlaid shoulder straps for adjustable tube configuration - Adjustable integrated slider chest strap - Heavy duty nylon pack handle - Eco Rig Back pads and Air Drive ventilation for comfort against your back - Removable waist strap for more freedom when needed - Quick adjust pull tabs for easy fitting - Adjustable velcro power bulb holder