USWE Outlander Moto 4L Hydration Pack. 3.0 liter Elite™ hydration bladder with a slide-seal top. No Dancing Monkey™ four-point harness system secures the pack on your back. 3.0 liter / 100 ounce Elite™ Hydration bladder included with fixed coupling and a big slide opening at the top for quick filling of ice and water. Bladder is fully reversible for easy cleaning and drying. Hydraflex drinking tube sits securely close at hand with the tube clips. Compatible with the hands-free kit (sold separately) if you want to attach your tube to your helmet. Access phone, credit card, or some energy bars inside the water-resistant external media pocket. Lightweight race hydration backpack with a super smart external on/off organizer pocket for tools.