baby Merlin sleep suit size small in yellow. The Baby Merlin's Microfleece Magic Sleepsuit is the original swaddle transition product created by a Pediatric PT and mom of 4. The Microfleece Sleepsuit is ideal for babies with a strong startle reflex. Babies feel secure in the comfort of cozy microfleece fabric. The Baby Merlin's Magic Sleepsuit helps establish good sleep habits and provides parents peace of mind that their little one is getting adequate rest for proper growth and development. The Sleepsuit is designed for back sleeping in the crib at the recommended room temperature for babies.