ebay might have some cheaper ones
http://www.ebay.ca/itm/Brand-New-Oceanic-Ultra-3-2mm-Jumpsuit-Mens-/321038064646?pt=LH_DefaultDomain_0&var=&hash=item4abf5c1c06
but it's not the right color
could you do a tut for how you made the mold with silicone caulk? and I've been using aqua resin, it doesn't go on a cleanly and polyester resin, but a bit of sanding never hurt anyone!