Kokatat Gortex Dry Suit. Men’s style, cross-chest front zipper, size large (I’m 5’10 and 195 pounds). Has sewn-in Gortex booties, so your feet are never wet. These now cost $1500 and upward new (depending on the exact style); see https://kokatat.com/mens/dry-suits/. You get it for just $250, one-sixth the price of a new one.
Contact me at curtis.mobley@gmail.com for further info.