I'd stick to cotton only. Tshirts aren't super absorbent so I would worry it wouldn't absorb enough. So comfy though!!! I have a few and they seem so soft!
Blessed Mama to 3 beautiful girls by adoption.
Diva 4, Baby J 2 years, Baby E 18 months.
ISO: Imagine AIO bamboo (long soaker), Old style BGE especially lovelace