10 Best Backpacking Sleeping Bag 2025 in the United States

The TETON Sports LEEF Ultralight Mummy Sleeping Bag is designed with backpackers, hikers, and campers in mind, making it suitable for 3-4 season use. It offers a range of temperature ratings (0F, 20F, and 30F) to cater to different camping conditions, ensuring you stay warm in various environments. The PolarLite Micro Insulation is efficient, providing a good balance between warmth and compressibility. The ripstop polyester shell adds durability, which is essential for outdoor adventures.

The mummy shape is designed to maximize heat retention while minimizing weight, making it a good choice for backpackers who need to carry their gear over long distances. However, at 4.2 pounds, it is on the heavier side compared to some other ultralight options, which might be a consideration for those looking to minimize their pack weight. The included compression sack helps with packability, allowing the sleeping bag to be compressed into a smaller size for easier transport.

Available in multiple sizes (short, regular, and long), the LEEF provides flexibility to suit different body types. The stylish color options, like Fire/Slate, are an added aesthetic benefit. It's important to note that the weight might be a drawback for some ultralight backpackers, and it's always advisable to consider your specific needs regarding pack weight and bulk.

The Kelty Cosmic 20 Down Mummy Sleeping Bag is a solid choice for backpackers and campers looking for a lightweight and warm option. With a temperature rating of 20 degrees Fahrenheit, it is designed for three-season use, making it suitable for spring, summer, and fall camping trips. The 550 fill power down insulation ensures good warmth without adding excessive weight, as the bag weighs around 2.6 pounds, which is manageable for carrying on long hikes.

One of the standout features of this sleeping bag is its sustainable design. It utilizes recycled fabrics and PFAS-free water repellency, which is a great selling point for environmentally conscious buyers. Additionally, the down is ethically sourced and RDS certified, ensuring that it meets standards for sustainability and animal welfare.

The mummy shape design is effective at retaining heat and offers a snug fit, which is often preferred by those who want to minimize cold spots. The bag also includes dual-direction zippers, making it easier to unzip from the inside without fumbling. It's compact when packed, measuring about 13 x 7 inches, which is convenient for backpacking. The mummy shape may feel restrictive for some users, especially those who prefer a bit more room to move around while sleeping. The temperature rating is adequate for its intended use, but it may not perform as well in extremely cold conditions, as indicated by its ISO extreme rating of -11 degrees Fahrenheit. Those planning to camp in colder climates may want to consider additional insulation or a different sleeping bag.

The TETON Sports Tracker 5 Degree Sleeping Bag is a solid choice for backpacking, camping, and hiking, especially in colder conditions. It features a temperature rating of +5F, making it suitable for three-season use. The mummy shape and three-piece hood are designed to provide optimal warmth by enclosing your head and trapping heat, while the added insulation in the footbox ensures your feet stay warm, which is often a common issue with other bags.

The PolarLite Micro Insulation is both lightweight and effective at retaining heat, contributing to the sleeping bag’s warmth and comfort without adding too much weight, which is important for backpackers. Weighing around 4.1 pounds, it is relatively light for a sleeping bag with such a low temperature rating, but it may still be considered a bit heavy for ultralight backpackers. The ripstop polyester shell material is durable and resistant to tears, making it a reliable option for rough outdoor conditions. The included compression sack allows for easy packing and compact storage, which is a big plus for those needing to save space in their backpacks.

However, some users might find the mummy shape somewhat restrictive compared to more spacious designs. The TETON Sports Tracker also comes with a lifetime warranty, reflecting the manufacturer's confidence in its durability and customer support. If you prioritize warmth and durability and don't mind a slightly heavier sleeping bag, this could be a good match for your outdoor adventures.