Other people will turn back before the end, but youll make it all the way there and the Geigerrig The Rig 710 Hydration Pack is going to make sure that you never have to quit. This versatile pack offers a 70-ounce reservoir inside an exterior of the same kind of ballistic nylon thats used in military flak jackets. A simple, plug-and-play design lets you attach tubes for drinking, spraying, or sharing, with or without filters. The shoulder, waist, and chest straps are designed to keep the load secure while minimizing the fatigue of carrying the pack. A hidden rain cover protects your gear when the sky gets dark, and the expandable front pouch lets you keep the must-have items right where you can reach them. Additional Features: Hidden rain cover Plug-and-play filtration Expandable front pouch Full-length compression straps Vented mesh back padding Waist and sternum straps Emergency whistle attached to sternum strap Lifetime warranty against leaks Weight: 2.75 lbs. About Geigerrig If youve ever thought that a Geigerrig product looked like a combination of practical, rugged military style and the innovative appeal of modern outdoor equipment, then youre on the way to understanding the thinking behind the foundation of this industry-leading company. Co-founded by Bob and Curt Geiger, Geigerrig combines Bobs experience in the U.S. Marine Corps with Curts 40+ years spent as an outdoor retailer. Using cutting-edge patents and old-fashioned problem-solving, Geigerrig alone has made more advancement to the hydration pack product category than the industry has seen since hydration packs first hit the market over 15 years ago. Expect to continue watching Geigerrig revolutionize hydration systems and personal water systems for any and all applications including military, recreational, industrial, and medical use. Multiple colors to choose from. 100% heavy-duty 840 ballistic nylon. 70-oz. reservoir. Quick-release drinking and pressure tube valves.