I have used both.  I'm 6'1" tall and weigh in at about 75KG.  For water
temps 55 degree F and above, I typically dive a fleece lined dive skin with
another layer of fleece over the top.  For anything lower, I start with a
heavier layer of thinsulate or similar material.  Once I get into the 45F
range I add another layer of polypro under the insulation.  When temps drop
another 10F I need to add another layer.  So, based on my personal
experience for height/weight I add a layer of insulation for every 10F
change in temperature.

Kurt

-----Original Message-----
From: Peter Fjelsten [mailto:fjelsten@ma*.do*.dk*]
Sent: Thursday, March 16, 2000 7:22 AM
To: Jim Cobb
Cc: techdiver@aquanaut.com
Subject: Re: How to shoot a lift bag / trim problem


Den 16-03-00 10:02 -0500 skrev Jim Cobb (At 16-03-00 10:02 -0500 Jim Cobb
wrote)...
>You have to understand that I am
>190cm tall and weigh in at 130kg so I have plenty of thermal mass to help
>keep me warm.

I don't - 177 cm and 68 kg.

>I wear a thermal dive skin under the drysuit,

How do you find this warmth-wise compared to a Thinsulate?

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