| Imported post
You could try replacing the Extreme with the Extreme +
Or maybe a compressed neoprene drysuit, which I gather are a bit more insulating than simple membranes..
Then there's the amount of heat that can be lost through the hands and head - is she using a good quality, thick hood? Gloves? Have you tried those 3-finger mitts John Gulliver (I think) swears by?
All else failing, buy her a bigger cylinder and namby pamby fins, add 5kg to her weight belt, and she can keep warm by finning like #### to keep up with you ;) |