Personalized Whatif I Love to Swim with Whatif Monster Men's V-Neck T-Shirt. Take a dip with the Whatif Monster! Whatif I Love to Swim with Whatif Monster Men's V-Neck T-Shirt - White, from the hit children's book, "Jonathan James and the Whatif Monster" by Michelle Nelson-Schmidt. 4.7 oz., 100% pre-shrunk cotton Narrow, set-in 1x1 mitered V-neck collar Shoulder-to-shoulder taping Double-needle stitched sleeves and bottom hem