Geigerrig Pressurized Hydration Pack - RIG 1600M " Sprays, Filter Ready, Reversible 3 Liter (100 oz.) Hydration Engine, Reversable Dishwasher Safe Reservoir " " 1600 Cubic Inches of Pack Capacity. Light Weight, Guardian Internal Pack Frame. Plenty of storage. Removeable, load bearing waist belt. " " Durable, 840 Ballistic Nylon. Side compression straps. Bucked, lateral compression straps. Molle webbing. " " Side zipper pockets. Two large storage compartments with internal organizers. Large front pocket. " " Diagonal molle straps for attaching molle acccessories and hanging gear