The Dakine Syncline Bike Hydration Backpack 12L is an everyday pack for mountain biking. Sized just right, it offers the space for bike tools, snacks, various layers, and the included 3L Dakine x Hydrapak 3D lumbar reservoir w/ quick disconnect. Sip when thirsty, locate gear when needed, and ride with a smile. The durable recycled polyester pack is sustainable and ready to take on the trails.