You’ll be ready for hunting season with this insulated vest. It has Scentrex® dual action scent management system. 1 - Anti-microbial to prevent odor formation is sliver-based, long recognized as the most powerful antimicrobial element. 2 - Natural minerals capture and eliminate human odor. Adds a level of effectiveness that no antimicrobial alone can offer. Scentrex adhere to fibers via smart technology. It can't wash out and last the life of the garment. Scentrex is powered by Agion Active XL.