The sizes are typical glove sizes but they will stretch to a degree due to the materials used. There will be a size chart on the AquaSkinz web site for the gloves which you can print. You can get your size by putting your right hand on the line to the left with your thumb under the paper and on the right, it will indicate the best size to get.
The wading belt with the back support will be available in about 2-3 weeks based on the dealers.
Late November, nothing puts a halt to fishing except freezing hands. With neoprene gloves I've worn, they might be too tight or something, but they make my hands colder. I'm definitly willing to give these a shot!