Complimentary U.S. shipping · No minimum order5–8 business days · 30-day returns

Mujin™ Pro Synthetic Mummy Sleeping Bag 41°F / 5°C

$69.99

  • Sundounce™ Gold-Label FillSundounce™ is a high-performance synthetic insulation with a bionic down-like structure. Microporous fibers trap heat, while far-infrared technology boosts warmth retention—delivering down-like warmth with a superior warmth-to-weight ratio for a lighter, more compact bag.
  • Openable Foot Box DesignThe foot section unzips independently, allowing you to stick your feet out, move freely, or step in and out without fully exiting the bag.
  • Lightweight & Packable: Weighing approximately 670g / 1.48 lbs (M/75*190cm), the bag compresses down to the size of a 1L water bottle, making it easy to carry and store in tight backpack spaces.
  • Antibacterial & Skin-Friendly: The soft fabric offers over 90% antibacterial efficacy, providing a comfortable and hygienic sleep surface for sensitive skin.
  • Eco-Conscious Materials: The face fabric is made from GRS-certified recycled yarns, ensuring the materials meet globally recognized standards for sustainability. A PFC-free, skin-friendly water-repellent treatment provides reliable weather protection without the use of harmful fluorocarbons—better for you and the environment.
Free U.S. delivery · No order minimum
Processing: 1–3 business days
Estimated total delivery: 5–8 business days · 30-day returns
SKU: N15-10-FA05226257A3 Category:
A CLOSER LOOK

Made for your everyday.

Naturehike Mujin™ Pro Synthetic Mummy Sleeping Bag utilizes Sundounce™ Gold-label fill, a high-performance synthetic insulation, paired with an openable foot box and soft-touch lining for versatile comfort in the backcountry.
Key Features:
Sundounce™ Gold-Label Fill
Sundounce™ is a high-performance synthetic insulation with a bionic down-like structure. Microporous fibers trap heat, while far-infrared technology boosts warmth retention—delivering down-like warmth with a superior warmth-to-weight ratio for a lighter, more compact bag.
Openable Foot Box Design
The foot section unzips independently, allowing you to stick your feet out, move freely, or step in and out without fully exiting the bag.
Lightweight & Packable: Weighing approximately 670g / 1.48 lbs (M/75*190cm), the bag compresses down to the size of a 1L water bottle, making it easy to carry and store in tight backpack spaces.
Antibacterial & Skin-Friendly: The soft fabric offers over 90% antibacterial efficacy, providing a comfortable and hygienic sleep surface for sensitive skin.
Eco-Conscious Materials: The face fabric is made from GRS-certified recycled yarns, ensuring the materials meet globally recognized standards for sustainability. A PFC-free, skin-friendly water-repellent treatment provides reliable weather protection without the use of harmful fluorocarbons—better for you and the environment.

Product specifications

Lightweight & PackableWeighing approximately 670g / 1.48 lbs (M/75*190cm), the bag compresses down to the size of a 1L water bottle, making it easy to carry and store in tight backpack spaces.
Antibacterial & Skin-FriendlyThe soft fabric offers over 90% antibacterial efficacy, providing a comfortable and hygienic sleep surface for sensitive skin.
Eco-Conscious MaterialsThe face fabric is made from GRS-certified recycled yarns, ensuring the materials meet globally recognized standards for sustainability. A PFC-free, skin-friendly water-repellent treatment provides reliable weather protection without the use of harmful fluorocarbons—better for you and the environment.
BrandNaturehike
MaterialsThe face fabric is made from GRS-certified recycled yarns, ensuring the materials meet globally recognized standards for sustainability. A PFC-free, skin-friendly water-repellent treatment provides reliable weather protection without the use of harmful fluorocarbons—better for you and the environment.
SizesM(75*190cm), L(80*205cm), XL(85*220cm)

Additional information

Weight N/A
Size

M(75*190cm), L(80*205cm), XL(85*220cm)

Choosing, using and caring for your product

Plan around the conditions you expect and the space you need. Compare actual shelter dimensions, sleeping specifications and packed size; prepare appropriately for weather and terrain.

Read the instructions supplied with your item before first use. Check the components and fitting requirements, and follow the care guidance for the listed materials. Keep the product instructions for future reference.

If a specification is not listed or you need help with a particular application, contact our team before ordering.

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A few helpful answers

Where do you deliver?

We deliver within the United States. Standard U.S. shipping is free, with no minimum order amount.

When should I expect my order?

Order processing takes 1–3 business days. Estimated total delivery is 5–8 business days from order placement, including processing and carrier transit. See our Shipping Policy for delivery details and how to contact us about an order.

Can I return an item?

You can request a return within 30 days after delivery. Contact us before returning an item so we can provide the correct instructions. Approved refunds are expected to reach the original payment account within 2–4 business days after approval and issuance. See the Return & Refund Policy for the full conditions.

How do I choose the right option?

Check the product photographs, dimensions, materials and available options. Choose your color, size or specification before adding the item to your cart. If you are unsure, ask our team before ordering.

How can I contact you?

Use the email address or telephone listed in our footer and on the Contact Us page. Include the product name or order number when you need help.