Never slack on your training day again with the Peak Hydration Waist Pak. Whether you are on the tread, track or trail, keep the SpeedDraw Flask close-at-hand and in place with this lightweight Waist Pak featuring an angled insulated bottle holder. Perfect fit: Extended side panels hug the body comfortably for a perfect fit while you keep stride. The angled bottle holder allows for easy one-handed access and a bounce free ride. Expandable zippered stretch pocket keeps essentials protected, easily accessible and fits most large-format smartphones. The external shock cord system allows for extra storage options. 18 oz / 535 mL Ergological SpeedDraw Flask Push-Pull Blast Valve cap offers quick bursts of fluid Angled bottle holder allows easy one-handed access Bounce free ride Extended side panels hug the body comfortably for a perfect fit Expandable zippered stretch pocket keeps essentials protected Easily accessible zippered pocket External shock cord system for extra storage options Pocket fits most large-format smartphones 30% Polyester/70% Nylon Weight: 7.62oz / 216 g