Best Winter Mummy Sleeping Bags of 2025

The Trail Mummy Sleeping Bag is designed for ultimate warmth and comfort during your camping adventures. With its 300gsm hollowfibre filling and water-resistant polyester shell, you can enjoy a good night's sleep even in chilly conditions. Its snug mummy shape helps to trap your body heat, ensuring you stay warm, while the adjustable drawstring hood adds extra comfort for your head. The anti-snag 2-way zipper allows you to easily regulate the temperature, making it convenient to cool down when needed.

The Trail Overnight Adventure is a fantastic sleeping bag designed for young campers aged 4 to 12. Its snug mummy shape and elasticated hood ensure warmth and comfort during chilly nights. You’ll appreciate the lightweight rucksack style carry bag, making it easy for your child to transport. Ideal for three-season camping, the sleeping bag features a water-repellent shell and hollowfibre filling, allowing for use in temperatures as low as -5˚C. Plus, with the two-way zipper, you can easily regulate temperature as needed.

The QEZER Down Sleeping Bag offers exceptional warmth and comfort for your outdoor adventures. Filled with RDS certified 620FP duck down, it provides excellent thermal insulation, ensuring you stay cosy even in temperatures as low as -10°C. Its lightweight design makes it easy to carry, while the compact storage size allows for convenient packing. The spacious trapezoid shape ensures you won’t feel cramped, and with two-way zippers, it can accommodate two people, making it perfect for couples or family camping trips.

The Trespass Echotec Sleeping Bag is designed for comfort and convenience during winter camping. Its water repellent and waterproof features ensure that you stay dry, even in damp conditions, allowing for a more enjoyable outdoor experience. The lining, made of 65% polyester and 35% cotton, provides warmth and softness against your skin. Additionally, the durable 210T nylon polyester shell offers protection from the elements. With this sleeping bag, you can focus on your adventure without worrying about the weather.

The WKFAMOUT Sleeping Bag offers exceptional comfort for outdoor enthusiasts. Its machine washable pure cotton flannel lining ensures a soft and warm sleeping experience, making it ideal for both kids and adults. Made from waterproof polyester fabric, this sleeping bag keeps you dry and protected from the elements. The compact design allows for easy compression into a storage bag, making transportation a breeze. Plus, the flexible nylon zipper enhances usability, ensuring you can easily open and close the bag without any hassle.

The KingCamp Sleeping Bag offers exceptional warmth and comfort for a restful night's sleep, even in winter conditions. With a filling of 300g/㎡, it protects you from the cold, while the adjustable hood and windproof zipper strip keep chilly air at bay. The flannel lining is soft against your skin, enhancing your comfort, and the water-repellent polyester ensures durability. Additionally, the foot zipper allows you to adjust your temperature easily, making this sleeping bag perfect for your camping adventures.

The Mountain Warehouse Microlite Bag is an ideal choice for those seeking a reliable sleeping solution for various outdoor adventures. With an extreme rating of -30°C, it offers peace of mind during survival situations, although it is not intended for regular use at this temperature. As a 3/4 season bag, it ensures warmth for chilly nights and early winter backpacking trips. Its microfibre insulation provides excellent heat retention and comfort, making it a great synthetic alternative to down. The regular length accommodates users up to 180cm, ensuring a snug fit for most campers.

The Snugpak WGTE Sleeping Bag is designed to keep you warm in temperatures as low as -7°C (19°F) with its mummy shape and insulated shoulder baffles. The premium Isofibre insulation ensures excellent thermal performance, providing a soft and comfortable experience during chilly nights. You can easily adjust your sleeping experience with the elasticated drawcord hood and dual side zips, which also feature insulated baffles to prevent heat loss. Plus, its lightweight design and included compression sack make packing and carrying effortless, perfect for your camping adventures.

The 1TG Tactical Sleeping Bag is designed for all-season use, keeping you warm in temperatures ranging from -4 to 2°C. Its lightweight construction ensures you can carry it easily on hikes or camping trips without extra bulk. Made from water-repellent materials, it withstands the elements while being machine washable for convenience. Additionally, the unique design features windproof strips and an adjustable hood, allowing you to block out the chill and tailor the fit for maximum comfort.

The Summit 250 Sleeping Bag is designed for versatility and comfort. With an extreme rating of -17°C, it ensures you are prepared for survival in harsh conditions, although it is not meant for regular use at this temperature. Ideal for spring and summer camping, this 3/4 season bag keeps you warm during chilly nights and early winter trips. Its hollow fibre insulation provides a cosy experience, allowing you to enjoy your outdoor adventures without the chill, while the regular length accommodates users up to 180cm tall.