NCAA Michigan State Spartans Mens Athletic Zip-Up Hoodie / Jacket 30% polyester This is a high quality, officially licensed NCAA Michigan State Spartans product. EXCELLENT FABRIC: 70% cotton 30% polyester, high quality machine washable material. Team logo embroidered at front and on right sleeve for a sporty look. We completely guarantee the quality of all of your products - if you are not happy you can return your item for a full refund.