The BlackOvis NWT Merino Crew Short Sleeve base layer shirt is your foundation for those days when it is 30 degrees at daybreak and then rises to 80+ degrees in the afternoon. This short sleeve merino wool t-shirt sets the standard for soft, warm and comfortable. Using 50% New Zealand Merino wool in the 150 gram weight (lightweight) and 50% polyester to give its durability. With its natural wicking and odor fighting properties, you’re sure to stay comfortable and odor free all day. Plus the added hem length of the shirt ensures it won’t come untucked throughout your hunt as you bend, climb, stretch and crawl to get that perfect shot..