Gregory Mountain Products Women's Pace 5 Hydration Pack 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