Personalized Whatif I Love to Swim with Whatif Monster Toddler Full Zip Hooded Jacket. Take a dip with the Whatif Monster! Whatif I Love to Swim with Whatif Monster Toddler Full Zip Hooded Jacket - Black, from the hit children's book, "Jonathan James and the Whatif Monster" by Michelle Nelson-Schmidt. 7.5 oz., 60/40 cotton/polyester. Jersey-lined double-needle hemmed hood. Pouch pockets for all their treasures. Coverstitched shoulders and armholes. Coverstitched rib waistband and cuffs.