grown Size M I put this on my baby a few times when they were little. It's a 100% cotton summer knit, so it can be used year-round. I loved the confetti design; it was my favorite. _____________________ organic zoo GROWN Phil&Phae tinycottons RyleeandCru QuincyMae JAMIE KAY OAT kindly nixnut studiobohemeparis mabli liilu misha and puff mushie garboandfriends bambolina sillysilas another fox kongessloejd Donsje Loir paris Apolina Hunter+rose Ziggylou Gang of kids Bebe organic el.vira For those who like overseas children's clothing