Oasis Hydration Backpacks By Teton Sports, Available In 18 And 22, Or Biking. Here?s what we?ve heard: It?s the perfect size, you can quickly bungee a helmet or coat to the back, and it carries enough water for a full day of adventure. TETON has taken its original (and extremely popular) hydration pack and made it even better. With two sizes, you can find the ideal pack to meet the demands of your next adventures, whether that?s a day hike, festival, or really long walk. Bonus: The color choices are dreamy. Product Features WATER NEVER TASTED SO GOOD: During a long hike having water so convenient and still cold?there?s nothing like it. Lightweight with a custom fit, you?ll forget you have it on until you need it.18L pack give you plenty of storage for your day hike HYDRATION BLADDER INCLUDED: 2-liter water bladder included; Complete with durable, kink-free sip tube and innovative push-lock cushioned bite valve; Large 2-inch (5 cm) opening for ice that also makes cleaning easy GET THE PERFECT FIT: Low-profile athletic cut with full adjustment fits all body types comfortably; Comfort-taped straps with high-density notched foam stabilizer and mesh covering means you can wear this pack comfortably for hours, Water backpack for hiking fits men, women, and youth LOADED WITH FEATURES: 18 Liter hiking backpack with hydration bladder; Large pocket with a hidden-teeth zipper: Weather guard protects everything you?re packing; Bungee cord system for bike helmet; Butterfly opening for jackets, etc. TETON SPORTS PROMISE: Reach out to our AMAZING product support team if you have any questions or concerns; YOU CAN COUNT ON US to get you taken care of and back OUTDOORS Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!