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A closer look
Stay Warm, Sleep Comfortably?aDesigned for Your Outdoor Adventures
Reliable Warmth for Cold-Weather Camping
Naturehike's MJ Series Mummy Sleeping Bags are built for spring, fall, and winter adventures , offering excellent insulation and comfort. With two options tailored to different temperature needs: MJ300 & Comfortable at 4¡ãC (39.2¡ãF) , ideal for cool weather. MJ600 & Comfortable at -5¡ãC (23¡ãF) , providing extra warmth for colder nights.
Premium Materials for Maximum Comfort
Durable Outer Shell: Made from splash-proof polyester-silk spun fabric (170T for MJ300, 190T for MJ600) to keep moisture out and enhance durability.
Skin-Friendly Lining: The 190T pongee inner lining is ultra-soft, ensuring a cozy and comfortable sleep.
Superior Insulation: Filled with 650g (MJ300) or 1300g (MJ600) of hollow cotton , providing excellent heat retention without adding bulk.
Smart Features for Enhanced Warmth
Adjustable Windproof Drawstring: Locks in heat around your neck to prevent cold air from entering.
Insulated Hood: Traps warm air inside for extra head protection on chilly nights.
Smooth & Secure Zippers: Features a YKK anti-snag zipper for effortless operation, and a Velcro closure to prevent accidental opening and heat loss.
Lightweight & Easy to Carry
Compact Storage:
MJ300: Packs down to |¦Ì23*35cm (|¦Ì9*13.8inch)
MJ600: Packs down to |¦Ì30*42cm (|¦Ì11.8*16.5inch)
Travel-Friendly: Comes with a drawstring compression sack , making it easy to store and carry for backpacking, hiking, and camping trips .
Perfect For:
Backpacking & Camping Mountaineering & Hiking Road Trips & RV Travel Canoeing & Outdoor Expeditions
Naturehike is committed to designing high-quality outdoor gear. If you have any questions, our support team is ready to assist you within 24 hours.
Delivery and returns follow our Shipping Policy and 30-day Return & Refund Policy. Ask us to confirm any separate manufacturer warranty for the exact item.
| Weight | N/A |
|---|---|
| Color | Brown, Blu |
| Original brand | Naturehike |
| Materials | Premium Materials for Maximum Comfort Durable Outer Shell: Made from splash-proof polyester-silk spun fabric (170T for MJ300, 190T for MJ600) to keep moisture out and enhance durability. |
Compare packed dimensions, stated weights, setup details and included components for your trip.
Weather ratings and load limits apply only when expressly stated for the exact item.
Use and care for this item according to its supplied manufacturer instructions. Confirm the exact model, dimensions and selected options above; features not stated for this product are not promised.





Compare packed dimensions, stated weights, setup details and included components for your trip.
Weather ratings and load limits apply only when expressly stated for the exact item.
Available options are listed on each product. Select the exact option before adding it to your cart; not every item offers every color or size.
Contact [email protected] with the product name and selected option.
Free standard U.S. shipping. No minimum order. Estimated 5–8 business days total.
Shipping policyContact us within 30 days after delivery for return instructions.
Returns & refunds