Mujin™ MJ300 Synthetic Mummy Sleeping Bag 39°F / 4°C

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.