For cyclists seeking a convenient hip pack, look no further than the SERAL 4 from Osprey, complete with a 1.5-liter water reservoir for hydration on the go. The hydrovac hose attaches effortlessly with a magnetic holder, ensuring secure and convenient storage when not in use. It is comfortable to wear thanks to the AirScape™ back system. Additionally, it boasts a magnetic mouthpiece holder and a dedicated pocket for glasses and electronics, complete with a non-scratch surface to keep your valuables safe and secure. It also has a tool organiser and a flashlight holder. The zippers and buckles are designed to be easily undone even while wearing gloves, ensuring convenient access to your gear. In the large zipped main pocket there is a 1.5L hydrovac pouch.