You can go to www.armygear.net and get one, in the bag, for $24.95, if you wear a small. They do have a sizing chart there. (Look at the left-hand column and go to the link marked "Hunting Suits Scent Locking."

Which is exactly what I was going to do, but I have a question first.How would you clean the MOPP suit? I seem to remember tales of people who have run them through a washer having a bunch of the carbon run out of them. (PS--I think that they'd work great with BaseSlayers underneath.)