Geigerrig RIG 700M Hydration Pack Sprays, Filter Ready, 2 Liter (70 oz.) Hydration Engine, Reversable Dishwasher Safe Reservoir 700 Cubic Inches of Pack Capacity. Light Weight, Guardian Internal Pack Frame. Durable 600D Poly Nylon. Quick connect lateral compression straps. Molle webbing. Two compartments, internal organizer pockets, and an external zipper pocket, organizer panel and small internal pockets for small items, phones, pens, and other essentials Ergonomic fit, terraced overlaid shoulder straps for adjustable tube configuration and removable waist strap for more freedom when needed