I feel the same way as many other posters that, scentblocker and scentlok are mostly a marketing thing. I think there is a little bit to be said about the technology that goes into their garments, but again there are other ways to get the same result. That being said they do make some nice designed clothing and coupled with tech they are popular. Take a look here at
Men's Hunting Clothing. There are other manufacturers out there, natural gear, and russell make some nice clothing too check them out