Best Polyester Mummy Sleeping Bags of 2025

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 Andes Nevado 400 XL is a mummy sleeping bag designed for maximum thermal efficiency. With temperature ratings of Comfort 3°C, Limit -2°C, and Extreme -19°C, it keeps you warm in various conditions. Made from lightweight 190T polyester and filled with 400GSM hollow fibre, it ensures comfort without being bulky. You'll appreciate the internal storage pocket for your essentials, and the adjustable drawstring hood and shoulder baffle provide extra warmth, making this sleeping bag ideal for your camping adventures.

The Milestone Camping Mummy Sleeping Bag is designed for comfort and portability on your camping trips. Its single mummy shape includes a drawstring hood, helping to keep you warm by insulating against cold weather. The double-sided zipper makes it easy for you to get in and out of the bag. Plus, with a magic sticker to secure the neckline, you can rest assured that the zipper won't slip, ensuring a snug night’s sleep. Weighing in at a lightweight, it's the ideal companion for all your outdoor adventures.

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 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 Active Era Mummy Sleeping Bag offers a comfy camping experience with its lightweight 150g/m² hollow fibre lining, ensuring you enjoy a cosy night's sleep. Its temperature resistance allows for comfortable use between 10°C and 18°C, making it ideal for various outdoor adventures. Perfect for spring and autumn, this sleeping bag suits indoor sleepovers, summer camping, and scouting expeditions. Additionally, its tough 170T polyester outer shell is designed to endure harsh conditions, providing you with a durable option for all your camping needs.

The Andes Nevado 300 is a mummy sleeping bag designed for optimal thermal efficiency, making it perfect for your camping trips. With comfort ratings down to 7°C, it keeps you warm while the adjustable drawstring hood and shoulder baffle enhance warmth and comfort. The bag's lightweight 190T polyester material and 300GSM hollow fibre filling ensure excellent heat retention without extra weight. Additionally, the internal storage pocket provides a convenient space for your essentials, ensuring you have everything you need close at hand.

The ACTIVE FOREVER Mummy Sleeping Bag is designed for comfort and versatility, making it perfect for your outdoor adventures. Made from soft 240T polyester pongee and filled with 100% hollow microfiber, it keeps you cosy in temperatures ranging from 5°C to 18°C. Its durable construction ensures long-lasting use, while the lightweight design at just 800g makes it easy to carry on hikes. Additionally, its ergonomic mummy shape wraps around your body, providing warmth and comfort whether you're camping or just relaxing at home.

The Sportneer Mummy Sleeping Bag is designed for a comfortable outdoor experience, keeping you warm in temperatures from 5°C to 15°C, making it perfect for spring and autumn adventures. Its roomy size of 220 x 80 cm allows you to move freely while you sleep, ensuring a restful night. The sleeping bag’s waterproof and windproof materials provide protection from the elements, while the drawstring hood keeps your head cosy. With a two-way zipper for convenience, tucking in for the night is easy and safe, eliminating the worry of pinched fingers.

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.