Duckworth has turned the traditional T-shirt into a great looking rock-star. High performance, patented Vapor Wool fabric is lightweight, no-stink, and ultra fast drying. The heathered tri-blend fabric looks great hanging out or being put to the test in any demanding outdoor condition. Tested by Montana high-alpine ranchers at 9500 feet (where the wool is grown) it's their favorite piece of gear for months of continuous wear. Wool is anti-microbial, so there is no stink, and this summer weight wool fabric has all natural stretch with no added lycra. The wool is 100% grown in Montana, on the Helle ranch, and the custom yarn is knit and sewn entirely in the USA. Get 'em while they last.