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Our products were tested by the independent QualityCheck Institute and received an overall rating of “Excellent (4.8 out of 5.0 stars)” . This result confirms the outstanding quality, durability, and reliability of our products.



NaturWide Mummy Sleeping Bag – Lightweight & Warm for Outdoor
NaturWide Mummy Sleeping Bag – Lightweight & Warm for Outdoor
- ✔ MJ300 (30°F) / MJ600 (10°F)
- ✔ Premium polyester fill – lightweight & insulating
- ✔ Durable terylene shell – water-repellent
- ✔ Compact & easy to carry
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Product description
Product description
The NaturWide Mummy Sleeping Bag is made for true adventurers who want reliable warmth and comfort anywhere they go.
Choose your model:
- MJ300: Ideal for spring & fall – comfort rated down to 30°F
- MJ600: Designed for cold winter nights – comfort rated down to 10°F
Filled with soft, insulating polyester and wrapped in a tear-resistant terylene shell, it keeps warmth in and moisture out.
Its mummy-shaped design ensures efficient heat retention, while the anti-snag zipper makes it easy to get in and out – even in the dark.
Weighing only 2.4 lbs (MJ300) or 4.6 lbs (MJ600), this sleeping bag packs down small and fits easily in any backpack – perfect for camping, trekking, or car trips.
Details
Details
- Outer Material: Terylene (Polyester)
- Filling: Polyester
- Temperature Range:
MJ300: Comfort to 30°F (–1 °C)
MJ600: Comfort to 10°F (–12 °C) - Recommended Height: Up to 5 ft 11 in (180 cm)
- Weight: MJ300 – approx. 2.4 lbs (1.1 kg) / MJ600 – approx. 4.6 lbs (2.1 kg)
- Shape: Mummy style
- Features: Water-resistant, breathable, durable
FAQ's
FAQ's
Frequently Asked Questions (FAQ)
Is the sleeping bag waterproof?
It’s water-resistant and protects from moisture, but not fully waterproof – avoid direct rain exposure.
Can two sleeping bags be zipped together?
Yes, two bags can be combined into one large double sleeping bag.
Which model should I choose?
MJ300 is best for spring/fall; MJ600 for cold winter nights down to 10°F.
How should I clean it?
Hand-wash or use a gentle machine cycle with cold water. Air dry for best results.





















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More than 50,000 happy customers

Ultimate Sleeping Comfort
The ergonomic mummy design and soft insulation ensure restful sleep and warmth even in sub-zero temperatures – perfect for outdoor adventures.

Weather Protection
The sturdy terylene shell shields you from wind and moisture, keeping you dry and comfortable through all seasons.

Compact & Lightweight
Easily fits in your backpack thanks to its small pack size – take it anywhere without adding bulk or weight.

Two Models for Every Climate:
Choose MJ300 for mild temperatures or MJ600 for deep winter – reliable warmth from 30°F down to 10°F

Built to Last
Reinforced seams, anti-snag zipper, and durable shell – designed for long-term use in any terrain.

What Is the Naturwide Guarantee? 🌿
Since the founding of Naturwide, quality, functionality, and customer satisfaction have been our top priorities. Our outdoor products are designed to help you get the most out of your adventures – reliable, durable, and practical.
With a customer satisfaction rate of 94.2% and countless 5-star reviews, we are fully committed to providing you with high-quality gear that supports and excites you on your journeys. That’s why we offer a no-questions-asked 14-day satisfaction or money-back guarantee.
More Space for Shared Adventures? 🏕️✨Then our double sleeping pad is just perfect for you.
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Our Story – How Naturwide Was Born
We are Andrew & Brian, two passionate outdoor enthusiasts who have long seen nature as a space for escape and adventure. But one thing always bothered us: many outdoor products are either overpriced, poor in quality, or just not well thought out.
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