Features Fabric/Nylon Wraptor Stabilization Technology Keeps Our Running Packs Sitting Soundly On The Shoulders With No Bounce Or Stride-Killing Side-To-Side Shift Hydrapak Shape-Loc Reservoir Hose Management System Dual-Loop Hydration Hose Routing With Magnetic Clip Dedicated Trekking Z-Pole Pocket Easy To Secure And Quick To Release Bungeed Ultra-Light Trekking Pole Padded Pocket Weather shield Pocket Water Resistant Phone/Accessory Pocket Description Product Description Strike out across sun-baked summer trails, soggy shoulder-season single track, and frozen winter wasteland in confidence with the Tempo 5. Its large main compartment stashes your temperature-regulating layers, while multiple external pockets provide easy mid-stride access to lighting, fuel, trekking poles, devices, and more. Add in a dedicated hydration compartment with a Hydrapak 2L Shape-Loc Reservoir, and you're looking at the perfect support system for your four-hour weekend loop.