These guys are based in Devon, bit of a cottage industry outfit (in the very best way possible), so might lend you a sample. They're designed for diving in, which they're great for, no bouyancy, would look the part as a skinsuit, but you'd burn up and die if you actually tried cycling in one.
Have a look at this:
http://www.chillcheater.co.uk/products/shop.asp?cid=3&p=1&pid=882
These guys are based in Devon, bit of a cottage industry outfit (in the very best way possible), so might lend you a sample. They're designed for diving in, which they're great for, no bouyancy, would look the part as a skinsuit, but you'd burn up and die if you actually tried cycling in one.