Don't let the size fool you, our Podium Flow Belt 4 is a minimalist solution that doesn't minimize your storage. CamelBak has added extra room to our original belt so you can still carry your Podium bottle, plus all your essentials for your favorite ride or hike. Features: Podium Dirt Series 21 oz. included Air Support Back Panel: Designed with Body Mapping Technology to allow for maximum ventilation on the hottest areas of your back Secure Zippered Pocket: Keep essentials safe and easy to access Integrated Carry Pockets: Keep your tools and repair kit organized Elastic Pump Loop Reflective Accents: For better visibility in low light environments