Gorewear Base Layer Thermo Long Sleeve Shirt This base layer is designed for ultimate comfort in the coldest conditions with thermo-stretch fabric and flatlock seams that reduce chafing. It quickly wicks moisture away from your skin to keep you dry and comfortable on every adventure. Features Thermo-stretch fabric delivers a soft second-skin feel Flatlock seams and minimal stitching help prevent irritation Moisture-wicking performance keeps you dry in cold weather | Gore Wear | Gorewear Base Layer Thermo Long Sleeve Shirt Men's | Size Medium In Black