It's the bad boy of the ScentBlocker line," raves Michael. ScentBlocker's addition of the Freak Nasty to the Bone Collector Collection is a strategic garment to outsmart the biggest of deer. "It has everything I need to get close and drop the hammer on the big boys!" rants Michael. The Freak Nasty is just that. Bone Collector Freak Nasty Sherpa Fleece Vest:100% WindBlocker protection NON Carbon Innovative safety harness slit in back for easy attachment and concealment.