Best 3 Seasons Mummy Sleeping Bags of 2025

The Silentnight Kids Sleeping Bag offers cosy comfort, ensuring a restful night's sleep, whether indoors or outdoors. Its soft touch fabric and snuggly Softfill fibres wrap you in warmth, making it ideal for little ones who tend to wriggle. Perfect for spring and summer camping trips, this sleeping bag keeps you snug during your adventures. With fun, colourful prints, it adds excitement to any sleepover or campfire gathering, ensuring your child enjoys every moment of their nighttime escapades.

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 Active Era Mummy Sleeping Bag is designed for 3-4 seasons, featuring a 300GSM double-layer filling that ensures you stay warm and comfortable during your outdoor adventures. Its cosy mummy design fits snugly around your body, providing enhanced warmth compared to traditional sleeping bags. You will appreciate the built-in hood with drawstring, keeping your head warm as well. Additionally, the sleeping bag is water-resistant and machine washable, allowing you to stay dry in damp conditions while making it easy to clean after use.

The Trail Overnight Adventure is a fantastic kids' mummy sleeping bag designed for little campers aged 4 to 12 years. Its snug shape and elasticated hood ensure warmth and comfort on chilly nights, while the included rucksack makes it easy for children to carry their own gear. With a durable 200D Oxford polyester carry bag, it’s lightweight and practical for family camping trips or sleepovers. The sleeping bag is perfect for 3-season camping, with a comfort limit of -5˚C to 15˚C, allowing kids to stay cozy from spring to autumn.

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 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 Green Haven Sleeping Bag is perfect for your 3-season outdoor adventures. With its 150gsm hollow fibre filling and waterproof polyester shell, you can rely on it to keep you warm in temperatures between 10-18°C and even as low as 5°C. Its snug mummy design and adjustable hood ensure you stay comfortable and insulated against chilly drafts. The anti-snag zippers allow for easy ventilation, so you can adjust your warmth on mild summer nights, making this sleeping bag a versatile choice for camping and hiking.

The Trespass Kids Sleeping Bag is perfect for your little adventurers. With its vibrant printed design, it adds fun to sleepovers and camping trips. The mummy shape ensures warmth and insulation, while the lightweight material makes packing a breeze. The 2-way zip feature allows you to adjust ventilation easily, keeping your child comfortable in varying temperatures. Additionally, the elasticated hood provides extra warmth, making it a great choice for all their outdoor escapades.

The Silentnight Mummy Sleeping Bag offers cosy comfort, ensuring you enjoy a restful night’s sleep wherever your adventures take you. Made from lightweight, soft fabric and filled with Softfill fibres, it provides a snuggly feel that enhances your comfort. Designed for three seasons, this sleeping bag is perfect for spring and summer camping trips, keeping you warm even when temperatures drop to -5° C. Its versatile design allows you to use it as a sleeping bag or unzip it for use as a cover, adding convenience to your outdoor experience.