You want to be comfortable when you hunt. This all stats with the baselayer. ScentBlocker has designed several types of S3 baselayers for your comfort in any type of weather. They include items made of Nylon, Silver and Spandex to give you ultimated in manuverability and scent control. Theyalso have Wool with S3 for hunting in any type of weather. With ScentBlocker you are always in control for just the right time.