I bought a Scent Lok suit years ago. I'd never do it again. I was getting busted the first week I used it, and after talking to a chemical engineer about it there is just no way it could work to begin with. He just laughed. The amt of carbon in Scent Lok suits becomes saturated with oders and ineffective within hours of use, and after that can never be reactivated at temps less than 900F. Do a search - lawsuits abound. They don't work, so why pay extra for Scent Lok?