CamelBak Podium Flow 2 Waist Pack with Podium Dirt Series BottleFor quick rips on the bike when only the essentials are needed, the Podium Flow 2 Waist Pack is made to keep you hydrated and keep you moving. The ground up redesign provides a secure fit and easy bottle access to our Podium Dirt Series 21oz Bike Bottle. Whether it's a early morning escape or a much needed post work ride, the Podium Flow 2 Waist Pack performs even during your toughest climbs and roughest descents.