Michigan Wolverines Heavy Weight Storm Duds Slicker Poncho. This Reusable Michigan poncho is as tough as your Wolverines and is made with 18mm heavy weight PVC making it extremely durable so you can wear it season after season. Featuring a roomy hood, color coordinated drawstring this quality made poncho is sure to keep you dry with its snap-front closure, snap closure and large 52" x 86" coverage. You can wear this U of M poncho with confidence, as it is hand-stitched and welded and is phthalate free. This one size fits most Michigan Wolverines UM heavy weight poncho is perfect for every rainy day in the stands. Umich Officially licensed Michigan Wolverines fan gear.