I just received my new pair of Korkers Buckskin wading boots from Bass Pro Shops. They are incredibly light and comfortable. I chose these boots based on cost, and versatility. With all the different condition to fish between streams and the sea I couldn't decide on rubber or felt soled. These boots, and all Korkers have an interchangeable sole system.
While removing the sole out of the box, I over flexed it a bit and the plastic reinforcement cracked. I emailed Korkers explaining and within 12 hours I had a reply apologizing for the problem and that a new set of soles were in the mail. Apparently BPS had emailed me a previous sole design with this flaw, the 3.0 version is on its way.
I am very impressed with the product, especially now that I know how they work a bit better and the customer service was exemplary.