Light and lean, but generously equipped like its larger siblings, the Osprey Women's Mira 18 Hydration Pack carries your goodies, gear, and hydration for an afternoon in the wild. Women specific shoulder straps, hip belt, and torso sizing provide a precise fit and enduring comfort, while plentiful pockets and organizing features keep everything tidy and conveniently accessible. It also includes a 2. 5 liter reservoir to handle your hydration needs on long treks, and its Anti Gravity suspension system supports and stabilizes your load so you barely even notice you're wearing a pack. The Anti Gravity suspension system uses a combination of different design elements a LightWire frame, mesh back panel, BioStretch shoulder harness, and AG hip belt to distribute weight, enhance breathability, and achieve a comfortable fit, no matter how far you roam. The included reservoir also has a hose with a magnetic sternum strap bite valve so you can take quick sips on the go. The main compartment offers room for an extra layer, lunch, and other trail accessories, and dual upper and lower compression straps help you keep your load compact. A helmet attachment loop lets you hook up your brain bucket when you go on climbing or biking missions, and the integrated rain cover can be easily deployed when an unexpected storm rolls in.