Nike Mens Dri-FIT Wool 1/2 Zip Running Shirt Red 746786-687 57% polyester, 43% wool Dri-FIT Machine Wash Advanced Dri-FIT Wool Fabric Wicks Away Moisture Ergonomic Seams to Help You Avoid Chafing Mesh Lining Ensures Total Breathability The Mock Neck with 1/2 Zip Feature Allows for Versatility and Protection On the Run Imported