The Joe Rocket Phoenix jackets were never meant to be 100% waterproof in the first place. However they do a decent job considering it's a mesh jacket. I usually put them at about a 30-minute water resistance before they start to seep in certain places. Regardless of any jacket I've worn, the arms are always the first to go. I think it's because of the combination of the arms being more exposed to the rain in the riding position combined with the wind forcing the water into the fabric. The same thing happens to my Aerostitch touring jacket; if any area got damp first it was the arms. There are some tricks you can do to help control or slows down the amount of rain that soaks like tucking your glove cuffs inside the sleeves. Other than that it's pretty much the rain suit or one of those 100% waterproof touring jackets, and those are super pricey. If you're doing lots of rain riding, I would for the Frogg Toggs. They're light, 100% waterproof, and most of all, breathable. They also pack super small (the 2-piece suits come with a stuff sack) so it's great for the long distance trips (and it's a great pillow in a pinch). When doing the big rides, it's just better to take advantage of the ability to keep everything dry. That way you're not stuck with a hairdryer in your hotel room hoping your stuff will be ready to go in the morning.