The North Face Furnace Sleeping Bag: 0 Degree Down is a comfortable, warm, and durable option that works well for consistent use in low temperatures and tough weather conditions. Despite being a little bit heavy and hard to compress, making this not the best choice for backpacking, this sleeping bag could work well for a couple of nights of camping or car camping all-year-round.
The North Face Cat’s Meow Sleeping Bag: 20 Degree Synthetic is a durable, warm, and comfortable option for men who like to frequently go hiking or backpacking. Unfortunately, this bag might not be the best choice for long-term trips, as the packed size can take up a lot of space and the warmth rating is not completely accurate. However, if you want a warm option for the shoulder seasons, this could be a good choice.
The Marmot Never Winter Sleeping Bag: 30 Degree Down is a durable and well designed option that works well for backpacking and camping during mild temperatures. Even though this bag might be a bit more expensive when compared to similar choices, if you frequently camp or backpack during early and late summer, this could be a good choice.
The Western Mountaineering Kodiak MF Sleeping Bag: 0 Degree Down is a very warm, compressible, and comfortable bag that is perfect for 4-season use in extreme temperatures. Numerous users have said this bag has kept them warm all-night-long in sub-zero temperatures, and provides them with ample comfort. Despite being expensive and not being as snug-fitting as other options, this bag provides an exceptional warmth-to-weight ratio.
The Western Mountaineering Puma Super MF Sleeping Bag: -25 Degree Down is a warm, weather-protective, and lightweight bag that combines durability and comfort. Despite being expensive, this bag is worth it for those who need a sleeping bag in extremely cold conditions, and frequently find themselves hiking in inclement weather or going on alpine trips.
The North Face Dolomite Double Sleeping Bag: 20 Degree Synthetic is a warm, high-quality, and comfortable bag that is well-suited for two people on a camping trip. Despite being a little heavy and big for backpacking, this bag is durable, roomy, and a long-lasting option that comfortably fits 1-2 people in a variety of temperatures.
The Marmot Trestles 0 Sleeping Bag: 0 Degree Synthetic is a high-quality, warm, and comfortable option that is well-suited for those who need a reasonably priced 4-season bag. Despite being bulky and heavy, the comfortable materials, durability, and good price-point makes it a great choice for those who want a long-lasting all-year-round bag. This bag is likely too heavy and bulky for anything but the shortest backpacking trip.
The Marmot CWM Sleeping Bag: -40 Degree Down is an extremely warm, durable, and waterproof option that is well-suited for those who will be sleeping in absolutely brutal conditions. The bag is well designed for ample foot space, prevention of condensation, and distributed baffling. While this bag is too warm for moderate temperatures, it is a personal oven for Himalayan-type weather conditions.
The Western Mountaineering Apache MF Sleeping Bag: 15 Degree Down is a high-end bag that is well-suited for those who want an adjustable bag that is snug without being confining, while providing a high warmth to weight ratio. Despite the high price and slightly smaller dimensions than some other mummy bags, the high quality down, anti-snag zipper, and durable outer material make this a long-lasting and wise choice for 3-season use.
The Marmot Lithium Sleeping Bag: 0 Degree Down is an extremely warm, comfortable, and lightweight bag with features like a two-way zip, draft tube, and durable outer layer. This is a beloved bag that works well in a variety of backpacking conditions. Despite some minor issues, this bag is a great choice for cold weather backpacking and can compress relatively well.