Back protector for enduro racing Hose snaps in place automatically 2.5 L reservoir and 12 L cargo storage for day-long rides Stay hydrated without slowing down using the hands-free ReTrakt magnetic hose return system User-friendly 2.5 L HydraPak reservoir features a slide closure for easy cleaning and a locking bite valve to prevent leaks before and after your ride Protect your central back and spine from impact or injury with removable, lightweight Koroyd back protector Superior stability for aggressive downhill riding and jumping with a secure fit