new with tags Dyna 6 Osprey running vest. plenty of pockets with zippered pocket on the back and 1.5L reservoir. womens Medium The road ahead may be long, but you're ready. The women's-specific Dyna 6 is a favorite choice for trail runners and racers who don't tap the brakes. Its included 1.5-liter reservoir inspires confidence when your journey takes you beyond support, and it has enough room for extra layers and calories for big days. Made with 100% recycled materials