Needed a new kayak camping sleeping bag and so happy that I purchased this sleeping bag. I have two other sleeping bags that are duck down and I love them so much. They have the square foot box, which I prefer. Unfortunately, those were discontinued. I wanted something similar and came across this product. Needed a bag that would be light weight, pack down pretty small and that would keep me warm. This sleeping bag checked off all of those blocks. Temps got down to mid 40s, I slept with a thin cotton sleeping bag liner (mostly to keep bag clean), slept in thin leggings/tshirt/thin socks/beanie and I was perfectly warm. I am a hot sleeper, so I like being a little cooler. Had a light blanket to throw over just in case, but didn't need it. Also used this sleeping bag in my camper van and it was so comfy. Very pleased with this product! The only issue I had was squeezing this baby back into the bag that it came with. I got it back in there the first two times, the third day it was puffing out. I just smashed it down around all my other bedding gear in my backpacking bag.