Review on Optimized for SEO: Osprey Duro 1.5 Running Hydration Vest by Matt Heringer

The sides are rough fabric that protrudes right where your hands pass, so you'll get a blister on longer runs if you don't tape it. Bad design plan for this one. The instructions also say to hand wash, but if you use it for long runs like it's supposed to, it won't do the trick. If you run more than once a week, the work you put into cleaning won't pay off. Obviously, Osprey didn't test this on real runners prior to release.