Originally Posted by
Iceaxe
A full 5mm should be about 40% larger than a 4/3mm in both weight and size. It should also be about 40% warmer. If you want a lighter and less bulky wetsuit order a thinner material as Tommy D sells them all.
For the record I have both a full 5mm and a full 3/2mm and I wear the 3/2 about 90% of the time. A full 5mm is a little too much for me on your typical spring, summer and fall trade routes.