Personalized When The WhatIf Monster Sleeps There are No Worries to Keep Men's Tank Top. Put your fears to bed with When The WhatIf Monster Sleeps There are No Worries to Keep Men's Tank Top - Athletic Heather, from "Jonathan James and the Whatif Monster" by Michelle Nelson-Schmidt. Pre-shrunk 100% cotton 6.1 ounce Quarter turned Adult: S, M, L, XL, 2XL