Long sleeve sleep sack dilemma!

Melanie • Time for my biggest adventure 👶🏻💞

Hey moms!

My lo is quickly outgrowing her sleep sacks! Our house is always cold so she needs long sleeve fleece sleep sacks and I cannot find them ANYWHERE in size 9-12! They’re all marked small or 0-9 (she doesn’t fit). Anyone have any insights?

Thanks!