What’s a good Baby sleep sack for the hot summer nights.

Does anyone know a good brand or type of baby sleep sacks for summer time? I live in Hawaii and it gets around 90 degrees here during the summer, and our humidity is awful.

My little one is going on 4 months this July and she is starting to roll over soon, so I don’t think it’s safe to swaddle her for much longer. But her body temperature runs on the hotter side, unlike me who is always cold.

I was going to buy a halo sleep sack but it only comes in cotton and I feel like that might be too hot for her. Im a first time mom and I wasn’t sure what fabric kept baby comfortable in the summer heat..cotton or muslin.

Has anyone tried good sleep sacks that kept their baby from getting too hot and sweaty at night when they sleep.