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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.

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NaturWide Mummy Sleeping Bag – Lightweight & Warm for Outdoor

£134.00

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Comfort, warmth & protection – whether it’s mountains, tents, or snow: the NaturWide Mummy Sleeping Bag keeps you warm, dry & comfortable anywhere.

✔ MJ300 (30°F) / MJ600 (10°F)
✔ Premium polyester fill – lightweight & insulating
✔ Durable terylene shell – water-repellent
✔ Compact & easy to carry

📐 Size chart

Color Blue MJ300 down to 30 °F Brown MJ600 down to 10 °F

High Demand – Last Limited Edition

Product description

The NaturWide Mummy Sleeping Bag is made for true adventurers who want reliable warmth and comfort wherever 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

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 5ft 11in (180cm)
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

FAQs

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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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.

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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 bothers us: many outdoor products are either overpriced, poor in quality, or just not well thought out .