Stay hydrated on fast-paced adventures with the Aeon LT 4L Hydro Belt Pack from Rab. Providing on-the-go hydration with its 500ml water bottle, the pre-curved fit and Air-Contour lumbar pad ensure complete comfort and plenty of airflow for those hot days on the trail. Two zipped compartments and external mesh stash pockets ensure plenty of room for your keys and snacks whilst the easy-pull side hipbelt adjustment allows you to keep a close fit and reduce bounce whether you're cycling, hiking or running.