anybody have/use these? thoughts?

https://www.adenandanais.com/cozy-muslin/fate-cozy-muslin-sleeping-bag-15004

we're in Calif where its still warm at night when I put LO down for bed, but cold in the early morning. so fleece is def too warm and makes her sweaty, but i find her hands ice cold in the mornings when she's in the cotton sleep sacks.

is there anything in between that i don't know about?