Lighten up and stay hydrated, wherever adventure calls. The Hydrobak™ Light carries a 1.5-liter Crux® Reservoir with Quicklink™ disconnect, plus an extra 1-liter of cargo space for basic essentials so you can carry on. Designed with lightweight and durable materials, the streamlined silhouette features an Air Support™ Light Back Panel and a ventilated harness for cooling and breathability. Additional external features include helmet carry, light loop and reflective detailing for added safety. Have peace of mind with a secure zippered pocket for keys, phone, or tools, and enjoy extended comfort with the adjustable sternum strap.