I have used it several times since receiving it and my overall opinion is very positive. I like that the tube easily detaches from the pouch which makes filling easier. The top of the bag opening is large enough for quick and easy filling. I love that the bite valve feature offers great flow and can be turned off to prevent leakage. I also like that the pouch doesn't add a plastic taste to the water. This is only because there is a small amount in the tube in the sun. The vertically adjustable cross strap can be comfortable, but don't over-tighten as it can become loose and a bit awkward to tighten again. Also, for the first few days, the little tabs that hold the bag clips in the holes broke when trying to close the bag and I didn't hold it tight enough. However, it doesn't seem to affect their function and the pouch doesn't leak, so it's a minor issue. Those two minor issues aside, I would definitely recommend this pack for hydration. I would continue to buy from them. This is the best 3 liter pack for under $50.
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