Sierra Designs Nitro Quilt 20 & 35 Degree Ultralight Sleeping Bag - 800 Fill DriDown Camping & Backpacking Sleeping Bag - Men & Women

https://www.amazon.com/dp/B07P2JRBS8 this is the exact one. had some really cold nights with it and some really hot nights with it, but i feel like 95% of the time it did the job and it was nice not having to switch them out.