I've never used the scent lock, or scent blocker clothing, I can't really afford to spend that much on hunting clothes. A few years ago me and my hunting buddy started a "scent elimination" process that has worked well for us.
Before the season we wash all of our clothes in a scent free detergent (usually Hunter's Specialties.) We then hang them up to dry, outside if possible. We place them in an air tight container, with three of the Hunter's Specialties scent wafers (Fresh earth scent.) Before hunting we bath in a scent free body wash. We wear rubber boots, and when we get to the stand we hang more of the Hunter's Specialties scent wafers in the tree with us.
Since we've started doing this, we've not only seen more deer, we've also had several deer within spitting distance. The deer never new we were there. I've had deer that have spotted me, and circled all the way around me, to try and wind me, they usually don't smell me. Just last Saturday I had a small 4 pt buck within 10 yds of the stand. He walked out the same way that I had walked in, never winded me. You will never be 100% scent free, but this method has worked well for us, and is much cheaper than the high priced clothing.