Osprey Dyna 1.5

Summit Hut says:
Training, racing and more. The Dyna 1.5 is a svelte hydration companion perfect for training runs, long races, or streamlined days in the mountains. While it may be the smallest volume of the series, it will carry you further than you ever imagined. With a body-hugging womens specific fit that provides bounce-free carry, smart and accessible organization for fuel and gear, and an included Hydraulics LT 1.5L Reservoir that can be supplemented with soft flasks, the Dyna 1.5 helps you focus on what matters most; continuous forward motion. BUILT FOR SPEED Vest-pack fit provides bounce-free stability and purpose-built for incredible comfort so you can focus on FKT's and PR's. HYDRATION INCLUDED Bottles, reservoirs and add-on flexibility for short runs, long runs and everything in between. You decide what you need. Duro/Dyna makes it possible. EASY GEAR ACCESS Pockets up front for quick access to fuel and soft-flasks, trekking pole storage when you need to use your hands as much as your feet to move forward, and room for rain gear and extra layers.