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- Versatile Opening & Usage: Both side zippers and the bottom zipper can be fully opened, transforming the sleeping bag into a blanket or cushion cover.
- Optimal Warmth & Comfort: 300G down and cotton filling, breathable and warm, fluffy and light, natural and environmentally friendly, ensuring comfortable sleep outdoors.
- Durable & Easy-Care Fabric: The fabric is made of 20D high-density 400T nylon renewable fabric, which is moisture-proof, warm, anti-fouling and easy to clean.
- Cold Protection: Zipper windshield design to block cold drafts and prevent heat loss.
- Compact Storage & Portability: 210D Oxford cloth compression outer bag that significantly reduces packed volume for convenient carrying and storage.
- Secure & Adjustable Fit: The adjustable drawstring hood allows size customization for different conditions, and the collar zipper tab prevents accidental opening.
- Storage size: 17x17x30cm (ф6.7x11.8in)
- Weight: 1.14kg (2.6lbs)
- Expanded size: 200x85cm/(78.7x33.5in)
- Fabric: 20D 400T nylon, renewable fabric
- Filling: ColdmasterTM Down 300G
51% 90 white duck down 49% renewable Qingdao cotton
Temperature Rating:
- Comfort: 54°F/12°C
- Lower Limit: 45°F/7°C
- Extreme: 27°F/−3°C
Shipping:
- Free shipping for orders over $49
- Your order will be processed within 2 business days once payment is received.
- The transit time for your order will range from 2 to 7 business days after processing.
Warranty:
Atepaoutdoors is dedicated to providing reliable, high-quality outdoor gears with premium support.
- All items are eligible for a 30-day return or exchange without any specific reason. If the issue is attributed to the seller or the product itself, the seller will cover the shipping costs.
- All products purchased from Atepaoutdoors come with a limited warranty for a period of one year from the date of purchase.
- Any questions please contact our customer service team at [support@atepaoutdoors.com].


3-in-1 Sleeping System
Not just a wearable sleeping bag- it’s a multi-functional outdoor essential! Use it as a traditional rectangular sleeping bag or unzip it into a down camping blanket. Also you can wear it on your shoulders. The sheet of our sleeping bag can be tied with an air pad. A trulymultifunctional sleeping bag.

Down Sleeping Bag
Crafted with 300g of COLDMASTER™down, this 3-season sleeping bag delivers exceptional warmth with650 fill power. The innovative vertical-quilted top & horizontal-quilted bottom construction prevents cold spots, supporting survival in extreme 26.6°F (-3°C) conditions - perfect for alpine camping and backpacking

Ultralight & Spacious
Weights 2.51 Lbs and it can compress to football-sized 12" x 7" in included compression bag. Full-size dimensions is 78.74" x 33.46", which can perfectly fit users up to 5'11". This compact sleeping bag is lightweight, perfect for backpacking, hiking, camping, mountaineering.
Featured Designs
With advanced technology, the sleeping bag is combined with eco-friendly materials and thoughtful designs.

Durable & Comfortable
With all details, this ATEPA ultralight sleeping bag is water-proof, durable, multifunctional with trusty marterials.

Eco-Friendly Certificates
Sustainability meets style. Designed with renewable, eco-conscious materials, this collection has RDS, GRS certificated. And COLDMASTER™down innovated by ATEPA.

Warm & Comfort
This sleeping bag adopts 3D baffle technology, consisting of independent insulation lofts. Each loft's down is stable and evenly distributed, effectively preventing down from running and firmly lock in heat
Product Details
With advanced technology, the sleeping bag is combined with eco-friendly materials and thoughtful designs.

Adjustable Drawstring

Big Space At Bottom

Two-way Zipper

Storage Buckle

Product Dimensions: 200x85cm/(78.7x33.5in)
Packed Size: 17x17x30cm (ф6.7x11.8in)
Weight: 1.14kg (2.6lbs)
Fabric: 20D Nylon 400T Recycled Material
Filling:
- Sleeping Bag Upper Layer: 300G Down Filling
- Sleeping Bag Lower Layer (Mat Cover): 80G Needle Cotton
Temperature Rating:
- Comfort: 54°F/12°C
- Lower Limit: 45°F/7°C
- Extreme: 27°F/−3°C
Package: Sleeping bag*1,Storage compression bag*1
FAQ
Frequently Asked Questions on our backpacking sleeping bags:
Why should I choose ATEPA down sleeping bag?
Great question! While traditional down is lightweight, it loses warmth when wet. This COLDMASTER down keeps loft even in humid conditions. It's more reliable for backpacking in damp environments where pure down may fail.
Can this sleeping bag stay in place on a sleeping pad and improve warmth?
Yes. It features 360° pad attachment that securely attach to a sleeping pad, preventing movement during the night. This also improves ground insulation for better warmth and comfort while sleeping.
Can this sleeping bag be used in rainy weather?
Yes, it handles light rain and moisture with its water-resistant shell and down insulation. It's not fully waterproof but outperforms traditional down bags in damp conditions. For heavy rain, use it inside a tent or shelter.
Does it come with a storage bag?
Yes, it includes a durable compression sack for easy packing and storage, making it convenient for backpacking and travel.
Is it machine washable? How should I store it?
Handwash is recommended to protect the down insulation. Use a down-safe detergent and air dry completely. Store it loosely in a breathable bag, either hung or laid flat in a dry place. Avoid long-term compression, and always fluff it after use.
Compare
Dream Products
Looking for dream sleeping bag in your journey? Coldmaster down sleeping get you covered!



1.14kg/2.6lbs
1.52kg/3.4lbs
1.2kg/2.65 Lbs
55% White Duck Down + 45% Renewable Cotton
55% White Duck Down + 45% Renewable Cotton
51% White Duck Down + 49% Qingdao Cotton
300g Coldmaster™ Down
360g Coldmaster™ Down
400g Coldmaster™ Down
Yes
Yes
Yes
400T 20D Nylon
400T 20D Nylon
400T 20D Nylon
78.7x33.5in
78.7 x 33.5in
225x 90cm/86.61 x 29.53in
