What tog sleep sacks

Chelsea • Miscarriage warrior (x4) Mama to a beautiful baby girl born November 2020.

I’m confused as to what tog sleep suits to get since it’s going to be November/winter time. My head is saying get the halo fleece sleep sacks which are 3 tog. But the swaddle up sleep sac has also come recommended but it’s only 1 tog which makes me feel it will be more summer like. Anyone have any advice. Our home is usually nice and warm around 70F and isn’t drafty.