Elevate your run with this minimalist pack, crafted from premium, durable materials and designed with meticulous attention to detail. It's the ultimate hands-free hydration solution for runners and outdoor enthusiasts of all levels. FEATURES: Includes 1.5L NATHAN x HydraPak QuickStart Bladder with Push-Pull Bite Valve for easier drinking and removal for cleaning Unisex One Size Fits Most - Designed with adjustable front and side straps to comfortably fit a wide range of body types Expandable power mesh pockets: one flask and one secure zipper pocket One large back pocket with separate bladder compartment and hook and loop keepers to keep bladder secure plus hose exit points at either shoulder Front flask pocket holds up to one 20oz / 591ml soft flask (sold separately) Reflective details enhance visibility in low-light conditions