I have over 8 years and 50,000 miles including an unplanned off-road, off-bike excursion on my one-piece Roadcrafter. No leaks (unless you leave zips open), convenient and not to mention fashionable. I expect another 8 years with the occasional wash in waterproofing. I also have their unlined Ultralight one piece for the warm temperatures here in Texas. I'm confident the R-3 would be just about right for everyone.
This is great value over time not to mention great customer service and Made in USA.