Upgrade your hydration pack with the Crystal Chaos skin.  Its prism design plays with color and light. Made from durable nylon and attaches easily with a zipper around the perimeter.
It also doubles as an open-top pocket for items like a jacket, water bottles, or an extra layer.

Please note:

• It is not compatible with RaveRunner® backpacks purchased before September 2023.
• It is not compatible with the Simplified RaveRunner® or any model with an external refill point.