









ATEPA 3-in-1 Backpacking Sleeping Bag Down Sleeping Bag 44.6°F to 10.4°F
- Enhanced Insulation and Comfort: The sleeping bag features down-proof fabric, a soft 20D nylon lining, a windproof zipper flap to block cold air, and an adjustable drawstring hood for a customized fit in any environment. Additionally, the 3D footbox provides extra space for foot movement, while the collar zipper guard prevents accidental opening, ensuring a secure and cozy fit.
- High-Performance Filling: 360g of 700FP Coldmaster™ down, offering exceptional insulation, lightweight resilience, and breathability. Combined with vertical and horizontal quilting design, it ensures even warmth distribution, making it perfect for cool to freezing conditions ranging from 7°C to -12°C (44.6°F to 10.4°F).
- Environmentally Friendly Materials: Made from recycled materials for both fabric and filling, supporting sustainability.
- 3-in-1 Versatility:The3-in-1 Versatilityallows you to use the upper piece as a standalone blanket, pair the lower cushion cover with an inflatable cushion for added comfort, and enjoy the detachable blanket’s inverted trapezoidal design, which creates a 3D sidewall for extra space and ultimate comfort.
- Expanded Size: 78.7" x 33.5" (200 x 85 cm)
- Storage Size: 7.9" x 7.9" x 13.8" (20 x 20 x 35 cm)
- Weight: 3.4 lbs (1.52 kg)
- Fabric: 20D 400T nylon renewable fabric
- Filling: 360g Coldmaster™ Down
- Cushion Cover: 160g shaped cotton
Temperature Rating:
- 7°C to -12°C (44.6°F to 10.4°F)
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].

Coldmaster Down
Looking for warm enough sleeping bag with affordable price? The ATEPA Coldmaster Down Sleeping Bag is the trending technology with mixed down materials (55% white duck down + 45% renewable cotton).
Comparing fiber stability and warmth:
Nature Down:The fiber structure of nature down will be destroyed in a humid environment
Coldmaster Down:The fiber structure remains healthy and warmth in all environments

Nature Down

Coldmaster Down

Trending
Compared nature down, Coldmaster down offers even warmth with with no cold spots, (7% difference only) but perform better in wet environment (Moisture-proof) with superior insulation.

3-in-1 Design
Transform your sleep experience with the ATEPA 3-in-1 Down Sleeping Bag. Thanks to its fully customizable zipper system, you can easily convert the sleeping bag into a blanket, sleeping pad cover, or a standalone sleeping bag. Whether you're camping, backpacking, or just lounging by the campfire, this sleeping bag adapts to your needs—offering ultimate flexibility for any outdoor experience.

Adventure Essential
Stay warm and comfortable in all seasons with the 360g down-cotton blend insulation. This innovative combination offers breathability, superior loft, and eco-friendly warmth. Whether you're battling the cold of a mountain retreat or enjoying the cool air on a summer camping trip, this sleeping bag provides a cozy environment for restful sleep throughout the year.

Durable & Weather-Resistant
Designed for the rugged outdoors, the ATEPA sleeping bag features 20D high-density 400T ripstop nylon fabric. It’s water-resistant, windproof, and easy to clean. This high-performance material is engineered to withstand moisture, dirt, and wear—ensuring your bag is ready for any adventure, no matter the conditions.

Adjustable Hood & Zipper Flap
The hood features an adjustable drawstring for customized fit and added warmth. A zipper flap prevents accidental unzipping, keeping you secure throughout the night.

3D Footbox for Comfort
A newly designed footbox expands sleeping space, allowing for better foot movement and enhanced warmth retention.

Eco-Friendly & Fashion-Forward
Sustainability meets style. Designed with renewable, eco-conscious materials, this collection blends bold, modern aesthetics with a commitment to the planet. Featuring sleek lines and vibrant, fashion-forward colors, it’s proof that looking good and doing good can go hand in hand. Durable, reliable, and kind to the environment—it’s a statement piece you can feel proud to own.
Product Details

Adjustable Drawstring

Big Space At Bottom

Two-way Zipper

Storage Buckle

Specs
Packaged Size: 200x85cm/78.7x33.5in
Packaging Size: 35x20cm/13.8x7.9in
Weight: 1.52kg/3.4lbs
Temperature Rating: 7°C / 2°C / -12°C
Outer Fabric: 20D 400T Nylon
Lining: 20D 400T Nylon
Filling:TOP:Coldmaster Down 360g
Bottom:Polyester 160g
Carry Bag: 100% 40D Nylon
Package: Sleeping Bag *1, Storage Bag *1