Backpacks you can never have enough and when you think you do, well another one comes out that you have to have. Well the RIG 500 is that one, it fits snug for that run without bouncing around on your shoulders and back. MORE and PRICE $130
Never Suck Again with this RIG 500 Hydration Pack. Why? Because it sprays. Dry Capacity, 500 Cubic In. Fabric, 100% Ballistic Rip Stop. Bladder, 70 oz with quick-release valves for drinking tube and pressurization tube for easy fill and bladder removal. Slide top for easy fill, cleaning and drying. Heavy duty size 8 coil zippers. Vertical zippers that are I-POD ready. Removable waist strap. Ergonomic fit shoulder straps with terraced overlay for adjustable tube configuration and power bulb configuration. Industrial load disbursement cut and padding. Integrated slider chest strap. Plug and play reservoir tube connector. Compression straps with PVC reinforcement. Industrial nylon gear strip. Reflective zipper pulls. Eco rig back pads with air drive ventilation. Heavy duty nylon pack handle. (Length 18.5 Inches. Width 10 Inches)