NATHAN

FUNCTIONAL – Vapor Airess is 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 trekking pole compatibility SPACIOUS - Perfect for Marathons, Trail Running, Hiking, Cycling, Climbing, Outdoor enthusiasts, and Hydration-on-the-go! Storage Capacity: 427 cu in/7 Liters without bladder; 305 cu in/5 Liters with bladder