THE ULTIMATE TODDLER SLEEP SUIT! The revolutionary toddler sleep suit that is designed as a single size to cover your toddler from age 1 year all the way to 3+ years.  This means you don't have to buy another one every time your toddler has a growth spurt. A unique onesie design featuring a full inner leg/crotch zipper that offers the practicality and convenience of nappy changing without taking off the entire suit.