Best Rectangular Sleeping Bags of 2025

The MalloMe Sleeping Bag is perfect for year-round camping, offering comfort in temperatures from 10°C to 25°C. Weighing only around 3lbs, it is easy to carry on your adventures. The waterproof outer shell and double-layered insulation ensure you stay warm and protected from the elements. Whether you're camping with family or friends, this sleeping bag guarantees a restful night's sleep, making your outdoor experiences much more enjoyable.

The Milestone Camping Sleeping Bag is designed for both adults and kids, making it an excellent choice for camping trips and festivals. With its roomy envelope style, you can enjoy more space and even unfold it into a blanket for added comfort. The sleeping bag is insulated for two seasons, providing warmth during late spring to early autumn nights. Its lightweight design makes it easy to pack down to a compact size, ensuring convenience for all your outdoor adventures.

The Amazon Basics Sleeping Bag is designed for outdoor camping and hiking, comfortably accommodating two people. Rated for 40°F, it ensures warmth during chilly nights, perfect for your adventures. The queen size provides ample space, and its ability to split into two single bags offers great versatility for couples or friends. With a 100% polyester shell and brushed tricot liner, you can enjoy both warmth and comfort. Its hollow fibre insulation is lightweight yet effective, making it an excellent choice for your next trip.

The SAIL XL Sleeping Bag is designed for both indoor and outdoor use, making it perfect for camping, hiking, and backpacking. With a 250GSM filling, it offers excellent insulation, keeping you warm during chilly nights. Weighing just 1.6kg, it's incredibly portable, allowing you to carry it easily on your adventures. The durable, water-resistant outer shell will protect you from unexpected weather, ensuring your comfort when you need it most. Ideal for temperatures ranging from 10°C to -5°C, this sleeping bag is a versatile choice for all your camping needs.

The Highlander XL Sleeping Bag is designed for ultimate comfort, allowing you to stretch out fully without feeling restricted. Its ultra-soft inner lining combined with 350 Mono HollowFibre filling ensures you stay warm even in temperatures as low as 3 degrees. The anti-snapping zip makes it easy to close without getting stuck, saving you the hassle after a tiring day of hiking. Additionally, reinforced stitching and a spacious stuff sack protect your sleeping bag, ensuring it lasts for many camping adventures.

The Yaheetech Sleeping Bag is designed for comfort during camping, travel, or hiking. With a size of 180cm long and 75cm wide, it provides ample space for movement. The recommended temperature rating of 5°C to 20°C ensures you stay warm in various conditions. The multifunctional zipper allows you to adjust ventilation easily, making it ideal for changing temperatures. Additionally, the loop and hoop fastener keeps the zipper secure, preventing heat loss, so you can sleep soundly without worrying about drafts.

The Trail Alpine 400 Sleeping Bag is designed for comfort in colder conditions, making it ideal for winter camping. With its double quilted construction and hollowfibre filling, this sleeping bag provides excellent insulation, helping you stay warm at temperatures as low as -10˚C. The snug drawcord hood allows you to retain body heat while keeping your head and neck cosy. Additionally, the two-way zipper lets you regulate your temperature easily, providing ventilation on warmer nights or extra warmth when it's chilly.

The QEZER Down Sleeping Bag is designed to keep you warm and cosy, featuring a premium duck down filling that provides effective insulation even at 0°C, and can withstand temperatures as low as -12°C. Its lightweight and compact design make it easy to carry on any outdoor adventure, weighing only 1600g and packing down to a small size. Constructed from durable, high-density nylon fabric, this sleeping bag is both anti-moisture and water-repellent, ensuring it lasts through various conditions. Additionally, its versatile design allows you to unzip it fully for use as a blanket during the day.

The Pystuvo Sleeping Bag is perfect for various weather conditions, ensuring you stay warm and dry even in extreme environments. Its waterproof design is ideal for camping trips or hiking in unpredictable weather. With a practical compression bag, packing and carrying your sleeping bag becomes effortless, allowing you to save time and effort. The 4-season capability means you can comfortably use it in summer or winter, making it a versatile choice for all your outdoor adventures.

The REDCAMP Compact Sleeping Bag is designed for adults seeking comfort during cold weather camping. Its larger size and soft flannel material ensure a warm and cosy experience, perfect for those up to 6 feet tall. With a temperature range of 50-77°F, you can rely on it to keep you comfortable in various conditions. The reverse zipper feature allows you to easily attach two sleeping bags together, making it ideal for couples or friends. Additionally, the included compressed sack makes packing simple and convenient.