Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
Take a look at the Western Mountaineering UltraLite. While there is no such bag that will work for you “at all temps”, this 20F, 29 ounce bag is likely to fit the bill for most of your AT hikes. Another alternative would be to purchase a somewhat roomier bag rated at 35F or 40F, and augment it with layers of clothing to stretch it to sub-freezing temps.
