Michigan State Spartans Tree Skirt Christmas Tree Skirt. Time to get into the holiday spirit and gather your family and friends around the Christmas tree for decorating! This year don’t forget to add your favorite Michigan State fan touch to your home holiday decorations with our Official Michigan State Spartans Tree skirt. Featuring a toggle button closure, this Spartans tree skirt offers a secure, snug fit at the base of your tree. Adorn your Christmas tree with your favorite MSU colors! Go Spartans!! Officially licensed Michigan State Spartans fan gear.