I have been using a Whites drysuit for the last 5 or 6 years. Agree it is a great suit but just be careful self donning and zip closing, you may recall I had a problem on the Froach Ban and left the zip about 2mm open resulting in a wet start and aborted dive.
I use the Whites in cool waters or winter i.e water temperature less than 15 degC and in the summer I use my Azdry drysuit which fits me better with less undergarments.
All the best
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