Review on Hydration Adjustable Climbing Lightweight Waterproof by Paul Hyde

I received this hydration pack today. I opened it up, filled it with water and immediately went on a nice 4 mile hike up a small mountain! It works very simply. They just pull and twist at the end and pull out good mouthfuls of water by biting and sucking. Once you get used to it, it works great! And it only took me a few tries to get used to it. The hydration bladder was 1.5 litres, but the markings go up to 2 litres, so it probably holds more. Plus how convenient it is! I didn't even realize I was wearing anything! Now my travels become much easier!