Osprey Backpack Dyna

training, competitions, and more The Dyna 1.5 is a sleek hydration companion ideal for lengthy races, strenuous days in the mountains, or long training runs. Even though it’s the smallest in the series, it will take you farther than you could have ever thought. The Dyna 1.5 enables you to concentrate on what matters most: continuous forward motion. It does this with a body-hugging women’s-specific fit that provides bounce-free carry, smart and accessible organisation for fuel and gear, and two included Hydraulics 570 ml soft flasks that can be supplemented with an Osprey Hydraulics LT 1.5L reservoir.