Save The Wails! New for summer 2021, the “Umphrey’s McGee Rock Conservation Society” merch line is a cheeky nod to our favorite conservationist causes, and a reminder that rock n’ roll never dies. This military green front/back tee is heavyweight, 5.6 ounces, and made of 100% cotton. It has a tear-away label, a relaxed fit and is pre-shrunk.