Fairwell Pastel Party Clutch Onesie. The Clutch Onesie is the coziest, softest, best-fitting onesie out there. Feels like an absolute cozy cloud, ensuring baby feels comfortable day and night. This onesie epitomizes luxury and unparalleled quality, providing your baby with the finest comfort. Made from our incredibly soft custom-knit modal rib fabric, this one piece is perfect to wear day and night. Includes snap closer at the neck and diaper for easy changes.