Also available in Adult and Kid sizes:

Way more fun to put on than sweats, and cozier than regular ol’ pyjamas, our waffle-knit Rouge Onesie is a playful piece for keeping warm this winter. Whether you're lounging around the house, cottaging with friends, or bundling up for bed, this onesie will keep you toasty all season long. 

Dante is 9 months old and wears a size 6-12M.