Michigan State Spartans OuterStuff 50 Yard Dash Creeper, Bib and Bootie Set. This Michigan State infant creeper is made of 100% cotton and is machine washable. This short sleeve snapsuit has bottom snaps for easier changing and features a unique Spartans screenprint design on the front and sleeves of the creeper as well as a bold Michigan State logo on the big. This set also includes a bib and footie to create a full Michigan State Spartans outfit for game day! This set is prefect for any new Michigan State Spartans fan in your life. MSU Spartans! Officially licensed Michigan State Spartans fan gear.