Product Overview

The MISS JULIA 4-season goose down mummy sleeping bag is designed for campers and backpackers who need reliable warmth, lightweight performance, and comfort across a wide range of outdoor conditions.

With adjustable fill options up to 2500g, this sleeping bag provides a comfort temperature range from 64℉ to -13℉ (18℃ to -25℃), making it suitable for spring, autumn, and cold winter camping when used with appropriate gear.

Its extra-long 230 cm design ensures a comfortable fit for taller users, while premium materials and thoughtful construction deliver dependable insulation and durability for outdoor adventures.

Close-up of soft 400T20D pongee lining and selected white goose down filling of MISS JULIA sleeping bag

Comfort Temperature Rating

Overall Comfort Rating: 64℉ to -13℉ (18℃ to -25℃)

Comfort Rating refers to the temperature range at which an average adult can sleep comfortably under standard outdoor conditions.
Actual comfort may vary depending on clothing, sleeping pad, weather, wind, humidity, and individual cold tolerance.

Comfort Rating by Fill Weight

Fill Weight	Comfort Rating
400 g	59℉ – 64℉ (15 – 18℃)
600 g	41℉ – 50℉ (5 – 10℃)
800 g	32℉ – 41℉ (0 – 5℃)
1000 g	23℉ – 32℉ (-5 – 0℃)
1200 g	14℉ – 23℉ (-10 – -5℃)
1500 g	5℉ – 14℉ (-15 – -10℃)
2000 g	-4℉ – 5℉ (-20 – -15℃)
2500 g	-13℉ – -4℉ (-25 – -20℃)

Size & Fit

Sleeping Bag Length: 230 cm (Extra Long)
Recommended User Height: Up to 6 ft 5 in (195 cm)

* Recommended height refers to a comfortable fit when lying flat or slightly curled inside the sleeping bag.

MISS JULIA SLEEPING BAGS MJ30021

The extra-long 230 cm design provides additional footroom and improved insulation efficiency, making it ideal for tall campers and side sleepers.

Key Features

4-Season Versatility: Adjustable warmth based on fill weight selection
Comfort Rated Down to -13℉ (-25℃): Suitable for cold-weather camping
Extra Long Design: Designed for tall users up to 195 cm
Premium Goose Down Fill: Excellent warmth-to-weight ratio
Water-Resistant Shell: Protects against moisture and condensation
Ergonomic Mummy Shape: Reduces heat loss and improves thermal efficiency
Extra Insulated Footbox: Keeps feet warm in cold conditions
Lightweight & Packable: Easy to carry with included compression bag

Materials & Construction

Fill Material: Selected White Goose Down (Odor-Free)
Outer Shell: 400T 20D Nylon – Water-Resistant & Breathable
Lining Material: 400T 20D Pongee – Soft, Skin-Friendly & Durable
Closure Type: YKK Zipper, Velcro, Adjustable Drawstring Hood

The inner lining rebounds quickly after compression, helping the sleeping bag maintain loft and warmth over time.

MISS JULIA 4-season goose down mummy sleeping bag, 230cm extra-long, 2000g fill, comfort rating -13℉ to 64℉, lightweight and water-resistant

Design for Camping & Backpacking

This lightweight mummy sleeping bag is designed with extra insulation in the footbox and a cinched hood to minimize heat loss. The durable ripstop-style shell enhances longevity, making it a reliable choice for camping, hiking, backpacking, and cold-weather outdoor use.

Adjustable cinched hood and YKK zipper of MISS JULIA 4-season goose down sleeping bag Extra-insulated footbox of MISS JULIA 4-season mummy sleeping bag, 230cm long, 2500g goose down, for cold-weather comfort

Packed Size & Portability

Each sleeping bag includes a storage and compression bag for convenient packing and transport.

Packed size may vary depending on fill weight, compression method, and packing technique.

Suitable Use Scenarios

Camping
Backpacking
Hiking
Autumn & winter outdoor activities
Cold-weather travel
Emergency outdoor use

Package Includes

1 × Goose Down Sleeping Bag
1 × Storage / Compression Bag

Care & Storage

For long-term storage, avoid keeping the sleeping bag compressed. Store it loosely in a breathable storage bag or hang it in a dry place to maintain loft and extend product lifespan.

Side view of MISS JULIA 4-season goose down mummy sleeping bag, 230cm, 2500g fill, showing water-resistant 400T20D nylon shell

Frequently Asked Questions(FAQ)

Q: What is the lowest comfort temperature of this sleeping bag?
A: With the 2500g fill option, the lowest comfort rating is -13℉ (-25℃).

Q: Is this sleeping bag waterproof?
A: The outer shell is water-resistant and breathable, suitable for light rain and condensation, but not for full water immersion.

Q: Is this sleeping bag suitable for tall users?
A: Yes. The extra-long 230 cm design fits users Up to 6 ft 5 in (195 cm) tall.

Q: Can I use this sleeping bag for backpacking?
A: Yes. It is lightweight, compressible, and includes a compression bag for easy transport.

Q: What does Comfort Rating mean?
A: Comfort Rating indicates the temperature range at which an average adult can sleep comfortably under standard outdoor conditions.