The Fight This design will always have a place in our hearts. One of the most original CrossFit Mayhem t-shirts you can find. If you are looking for an OG Mayhem shirt to wear in public, at your local box gym, or anywhere else! This is the one you NEED to have in rotation. FRONT: Fight This CFM w/linesSLEEVE: American FlagBACK: Mayhem "M"MATERIAL: Black, Brown, OD Green, Ocean Blue - 50% polyester / 25% cotton / 25% rayon. White, Sage - 52% cotton / 48% polyester. Natural Heather - 99% cotton / 1% polyester.