Nathan Women’s Hydration Pack/Running Vest - VaporAiress with 2L Water Bladder, Hydration-Backpack – Running, Marathon, Hiking, Outdoors, Cycling

FUNCTIONAL - Equipped with a 2L bladder - quick release valve system, Water-resistant pill pocket, and Two easy-access front bottle pockets (bottles not included) DESIGN - Lightweight and comfortable – no bounce, breathable materials, and form fitting – equipped with Soft-touch, no chafe elastic perimeter binding FIT - Vest fit is snug and overall sizing tends to run slightly on the smaller side, so it is recommended that anyone on the higher end of a given size may want to size up! UNIQUE FEATURES - Reflective hits for runs in dusk/dawn, Side Stretch mesh pockets fit most smartphones, Rear external shock cord for increased capacity and trecking pole compatibility SPACIOUS - Storage Capacity: 427 cu in/7 Liters without bladder; 305 cu in/5 Liters with bladder