thermal

I bought a Whites Fusion Tech earlier this year but I've not been diving enough to get the good of it, so I've taken the decision to sell it :) Whites Fusion Tech - Large/XLarge Evo Boots - Size 10/11 Fusion Boots - Size 10 Fusion Thermal Undersuit - Large/XLarge The suit/boots have been used...

Can you really feel the difference between a rash vest and a thermal rash vest? thickness seems almost the same, even material. Does a thermal one really keeps you warmer?? Looking at buying either a Mares / Billabong / Rip Curl / Qicksilver / Roxy ones currently. Anyone got any...