Best Right Mummy Sleeping Bags of 2025

The Summit 250 Sleeping Bag is designed for outdoor enthusiasts, providing an extreme temperature rating of -17°C for survival situations, although it's not meant for regular use at this temperature. As a 3/4 season bag, it offers warmth for cold nights, making it ideal for early winter backpacking trips and festivals. The hollow fibre insulation ensures you stay comfortable and cosy throughout the night. With both regular (200cm) and long (215cm) lengths available, you can find the perfect fit for your height, accommodating users up to 6'4".

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 Microlite 500 Sleeping Bag from Mountain Warehouse is designed for cooler nights during spring and autumn, making it ideal for festivals and backpacking trips. With an extreme rating of -6°C, it ensures you can survive in chilly conditions. The comfort temperature ranges between 11°C and 6°C, providing a cosy experience for most campers. Available in long length, it accommodates users up to 6'4", ensuring ample space for taller individuals.

The Summit 300 Sleeping Bag from Mountain Warehouse is designed for comfort and warmth during your outdoor adventures. With an extreme rating of -18°C, it can serve as a survival option, though you should ideally use it in temperatures between 4°C to -2°C for optimal comfort. This 3/4 season bag is perfect for chilly nights while camping or trekking, ensuring you stay cosy. Its hollow fibre insulation adds to the comfort, making it a great choice for spring and summer outings.

The Microlite 950 Sleeping Bag is designed for outdoor enthusiasts, offering an extreme rating of -16°C, ideal for survival situations. Its comfort temperature range of 0°C to 5°C ensures you stay cosy during spring and autumn camping trips. This 3-season bag is perfect for chilly nights at festivals or backpacking adventures. With a regular length of 200cm, it accommodates users up to 180cm tall, providing ample space for a comfortable night's sleep.

The Trail Mummy Sleeping Bag offers exceptional warmth and comfort for camping enthusiasts. Its 300gsm hollowfibre filling ensures you stay cosy at temperatures as low as 0°C, making it ideal for spring, autumn, and winter use. The snug mummy shape helps retain your body heat, providing a comforting cocoon for a restful night's sleep. Additionally, the warm drawstring hood adds extra insulation for your head, enhancing overall comfort during chilly nights in the great outdoors.

The Vango Nitestar Alpha 350 is a highly recommended sleeping bag perfect for your outdoor adventures. It features a tough POLAIR HEX SHELL that offers breathability and is machine washable, ensuring durability. The mummy shape design helps reduce pack size while enhancing thermal efficiency, keeping you warm during chilly nights. With a super soft POLAIR LINING, it provides comfort and includes a handy storage pocket for your personal items, making it ideal for camping or hiking trips.

The Snugpak Softie 12 Osprey is an excellent choice for outdoor enthusiasts. With a comfort temperature rating of -10°C, it keeps you warm during chilly nights. Weighing only 2000g and packing down to a compact size of 25cm x 23cm, it is easy to carry on any adventure. The mummy shape design helps minimise wasted space, ensuring you stay snug and retains heat effectively. Constructed from high-performance fabrics, this sleeping bag offers durability and comfort, making it perfect for camping and military use.

The Azuma 3 Season Sleeping Bag is perfect for your camping, backpacking, or festival adventures. Its mummy shape provides excellent insulation, keeping you warm during chilly nights. Available with either a left or right-hand zip, you can choose the option that suits you best for easy access. This sleeping bag is machine washable at 30º, making it simple to clean after your trips. It's an essential item for any outdoor enthusiast looking for comfort and convenience.

The BISINNA Sleeping Bag offers an ultimate sleep experience for your outdoor adventures. With 400GSM hollow cotton, it ensures you stay warm and cosy, with a comfort temperature of 10°C. Its skin-friendly and waterproof design allows you to relax after a tiring day of hiking or camping. Additionally, the sleeping bag is machine washable, making it easy to clean, while the included compression sack ensures convenient portability. The functional design enables you to zip two bags together for couples, offering versatile use whether indoors or outdoors.