Purchased a neon green Icon 2 pc. suit after my Fieldsheer suit was shredded in an accident.The suit did it's job with no injuries;armor was transferred into Honda suit and shell discarded.Pricey and not as convenient as a second hand Honda one pc. suit picked up last month.
Waterproof,yes.I can ride for fours hours in a downpour and return as dry as when I left.
With waterproof gloves,boots and balclava it's easy.
My shop manager collected a weeks worth of gear to have dry gear each day when he used to commute daily up there.
The trick is:the sleeves go over the glove cuffs in a downpour!
Warm and dry is just a matter of gear choice with the technology available today.
I have the Horizon jacket and pants from REV'IT. Hi-vis jacket with vents for the warmer parts of the spring and fall and liners for the jacket and pants for the winter. I've been in the rain and it did its job well. The vents for the warm weather can be easily closed with one hand if you get caught in unexpected rain while riding. It's pricey though.
If you want something really cheap you can always get a rain oversuit. There are hi-vis options too.
I have the Tourmaster Venture pants and the are not waterproof, despite being advertised as such. I returned them for repair/replacement, but the new ones have the exact same issue: not waterproof in the crotchal region.
This many not be an issue on a sportbike, where the tank protects this region, but it certainly matters on a cruiser.
The klim latitude gear is about as good as you can get when it comes to waterproofness. The aerostich 1 piece has lots of reviews of it leaking. Also the firstgear rainier is pretty waterproof and can pair it with a pant like the aerostich darien or ad1s for a waterproof set up. Its on close out on one website for 270. New enough had them for 220 but only a few sizes left. The spartan textiles will not hold up in rain as it has a zipper all around the front to remove the front area for venting. Zippers without a flap will leak unless they are riri scuba zippers and even those will leak eventually. The new aerostich 1 piece has the riri zippers, but not sure how waterproof it actually is. Still an improvement over the old ykk zippers.
I have Dainese D Dry gear and I've ridden through massive thunderstorms while staying as dry as can be. I had the Xantum Jacket and the Tomsk D-Dry pants. They're pretty warm as well with the included liners. My only issue was that my hands got wet/cold, but some Gerbings heated gloves took care of that right away. I recently sold the Tomsk pants because it was too big on me now and got their Amsterdam pants. I haven't tested that one, but it's not as robust as the Tomsk.