CamelBak Podium Flow 4 Lumbar Pack Black 4L. A minimalist solution that doesn't minimize your storage. We've added some extra room to our original belt so you can still carry your Podium bottle plus all your essentials for your favorite ride or hike. Specifications for CamelBak Podium Flow 4 Lumbar Pack: Manufacturer: CamelBak Gender: Unisex Pack Volume: 4 liters Hydration Bladder Capacity: 21 oz Hydration Compatible: Yes - Bladder Included Features of CamelBak Podium Flow 4 Lumbar Pack Podium Dirt Series 21 Oz Included Air Support Back Panel With Body Mapping Technology Secure Zippered Pockets Integrated Tool Organization External Pump Sleeve Reflectivity Package Contents: CamelBak Podium Flow 4 Lumbar Pack CamelBak 2526301000: Podium Flow 4 Lumbar Pack Army Green/Black (Army Green/Black) 4L CamelBak 2526001000: Podium Flow 4 Lumbar Pack Black (Black) 4L CamelBak 2526001000: Podium Flow 4 Lumbar Pack Black (Black) 4L