For runners looking for a little self-sufficiency without weighing down their stride, the Duro LT is a great option. With two 360-ml soft flasks and pocket space for nutrition and gear to boot, it&';ll take you from training to lightweight trail days in record time. Plus, the Duro/Dyna family is sustainably designed with 100% recycled materials. KEY ATTRIBUTES HYDRATION INCLUDED Two 360 mL soft flasks included. SPEED & STABILITY Padded mesh straps provide comfort and stability with a quick-adjust ErgoPull hipbelt. EASY GEAR ACCESS Smart pocketing keeps the essentials, like water, gels, whistle and phone, accessible while on the trail. FEATURES Two extra-large stretch mesh soft flask/food harness pockets Two Hydraulics 360 mL Soft Flasks included Two lower stretch mesh food/supplement harness pockets Vertical zippered harness slash pocket for valuables or phone Snap-in adjustable/removable dual chest straps for customized stability Tuckaway safety whistle Large dual-entry stretch mesh rear pocket