Mares classic 3mm
These socks have a very good fit for my feets. Im a US 10 and use size L and thats a perfect match. Seems for me that these socks are pretty solid and very well made also. Here in Norway we had a water temperature around 23C max, and now(130903) it s around 15C and I m still varm on my feets after a few hours in the water.
Double-lined neoprene Contoured cut, glued and stitched seams are what was suggested to me and they are great. They go on easy and are AWSOME. I am a size 48 and XL were perfect for me. You don t need anything else but these for there price.