11 Best Sleeping Bags (2024): Ultralight, for Car Campers, Warm Weather, for Kids

John Muir famously set off for the mountains with “some bread and tea in a pair of blankets with some sugar and a tin cup.” I admire his ultralight spirit and disdain for comfort on the trail, but I’d be willing to bet that if Muir were around today, he’d bring a good down sleeping bag with him, if for no other reason than they’re lighter than old blankets. The tea is essential though, I…