TETON Sports Oasis 1100 Daypack - Walmart.com。TETON Sports Oasis 1100 Hydration Pack NEW WITHOUT TAGS !! SATISFY YOUR THIRST FOR ADVENTURE: Lightweight and comfortable; This hydration backpack is a terrific companion for all your day-long or overnight hydration needs; Size 1100 Cubic Inches (18 L) FREE HYDRATION BLADDER: BPA free, 2-liter hydration bladder; Durable, kink-free sip tube and innovative push-lock cushioned. Includes Raincover Have you ever wondered what the best way to stay hydrated is while enjoying a whole day outdoors? The Oasis1100 by TETON Sports is an 18-Liter backpack that comes with a leakproof 2-Liter hydration bladder and is thoughtfully designed with plenty of room for all the gear you want to keep handy. You can adjust the shoulder, chest, and waist straps to get a custom fit. It comes in a wide variety of colors and includes features normally seen on more expensive packs.