Why Choose ATEPA ELEMENTS 600 Coldmaster™ Down Sleeping Bag - Experience unparalleled comfort and convenience with our premium sleeping bag, designed to cater to all your outdoor and indoor sleeping needs:
Enhanced Comfort and Space
- Generous Dimensions: Measuring 225ⅹ90cm( 88.6 x 35.4 inches ), our sleeping bag provides ample space, allowing users to turn over and move freely without feeling restricted.
Versatile and Multifunctional
- Multi-Use Design: This versatile sleeping bag can be easily converted into a shawl or blanket. The detachable hood adds to its functionality, making it adaptable for various situations.
- Mat and Sleeping Bag Combination: The mat and sleeping bag can be connected using webbing buckles, offering a seamless integration for enhanced comfort.
Superior Insulation and Warmth
- Three-Dimensional Pile Tunnel Filling Technology: Ensures even distribution of warmth and eliminates cold spots, keeping you cozy throughout the night.
- Premium Filling: Filled with Coldmaster™ Down 600g, this sleeping bag offers superior thermal insulation. The scientifically tested ratio increases heat retention while remaining compressible and water-resistant. It performs exceptionally well even when wet, surpassing standard down.
Durable and Water-Resistant Materials
- High-Quality Fabric: The outer fabric is treated to prevent feather leakage and repel water, while the soft 20D nylon lining adds a luxurious touch.
- Enhanced Insulation Features: The chest collar, zipper wind-blocking strip, and hood drawstring are all designed to retain heat and keep you warm in colder conditions.
User-Friendly Details
- Convenient Storage: Comes with an easy-to-use Oxford cloth compression bag, making it compact and simple to pack.
- Adjustable Foot Temperature: The bottom zipper allows for easy adjustment of foot temperature, ensuring maximum comfort.
- Double Zipper Design: Features zippers on both the inside and outside for effortless use.
- Safety Features: A zipper tab on the collar prevents accidental opening, providing added security and peace of mind.
Specifications:
- Size: 225ⅹ90cm( 88.6 x 35.4 inches )
- Filling: Coldmaster™ Down 600g (51% 70/30 white duck down + 49% renewable cotton) - Scientific Ratio with many tests. Coldmaster down increase heat while still being significantly compressible, water-resistant. When wet, it performs better than simple down.
- Fabric: Anti-drilling velvet treated, water-repellent outer with 20D nylon lining
- Storage Bag: Oxford cloth compression bag
Our sleeping bag is designed to provide ultimate comfort, warmth, and convenience, making it an essential companion for your outdoor adventures and cozy indoor nights.
| Specification Details | Attribute Details |
|---|---|
| Temperature Rating |
Comfort: 39.2°F (4°C)
Limit: 30.2°F (-1°C) Extreme: 3.2°F (-16°C) |
| Insulation Type | Down |
| Sleeping Capacity | 1-person |
| Product Size |
88.6 x 35.4 inches
|
| Packaging Size |
36 x ø20 cm / 14.17 x ø7.87 in
|
| Product Weight |
1.5KG (3.3 LBS)
|
| Fabric |
20D 400T Recycled Nylon Taffeta
(Down‑proof treated, Water‑Repellent Grade 4)
|
| Lining |
20D 400T Recycled Nylon Taffeta
(Down‑proof treated, Water‑Repellent Grade 4)
|
| Filling | Coldmaster™ Down 600g |
Discover a new level of comfort and versatility with the ATEPA Three-in-One Sleeping Bag. Redefine your outdoor experiences with a sleeping bag designed to adapt to your every need.







Your All‑Season, All‑Purpose Sleep Solution
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|
|---|---|---|---|---|---|---|
| Temperature Rating | Comfort: 42.8°F (6°C) Limit: 33.8°F (1°C) Extreme: 6.8°F (-14°C) | Comfort: 39.2°F (4°C) Limit: 30.2°F (-1°C) Extreme: 3.2°F (-16°C) | Comfort: 53.6°F (12°C) Limit: 44.6°F (7°C) Extreme: 26.6°F (-3°C) | Comfort: 42.8°F (6°C) Limit: 33.8°F (1°C) Extreme: 6.8°F (-14°C) | Comfort: 44.6°F (7°C) Limit: 35.6°F (2°C) Extreme: 10.4°F (-12°C) | Comfort: 53.6°F (12°C) Limit: 44.6°F (7°C) Extreme: 26.6°F (-3°C) |
| Unfolded Dimensions | 86.6 x 31.5 inches | 88.6 x 35.4 inches | 78.7 x 33.5 inches | 78.7 x 33.5 inches | 86.6 x 29.5 inches | 74.8 x 29.5 inches |
| Packed Dimensions | 13.78 x ø7.48 in | 14.17 x ø7.87 in | 11.8 x ø6.7 in | 13.78x ø7.87 in | 13.4 x ø6.7 in | 13 x ø6.3 in |
| Capacity | 1 Person | 1 Person | 1 Person | 1 Person | 1 Person | 1 Person |
| Weight | 1KG (2.2 LBS) | 1.5KG (3.3 LBS) | 1.15KG (2.5 LBS) | 1.52KG (3.4 LBS) | 1.2KG (2.65 LBS) | 0.5KG (1.1 LBS) |
| Filling Material | Coldmaster™ Down 450G; Down Fill Power: FP700 (US Standard) | Coldmaster™ Down 600G; Down Fill Power: FP650+ (US Standard) | Coldmaster™ Down 300G; Down Fill Power: FP650+ (US Standard) | Coldmaster™ Down 360G; Down Fill Power: FP700 (US Standard) | Coldmaster™ Down 400G; Down Fill Power: FP650+ (US Standard) | Coldmaster™ Down 300G; Down Fill Power: FP650+ (US Standard) |
| Filling Weight | 450g | 600g | 300g | 360g | 400g | 300g |
| Features | Mummy‑Style Fit – Body‑hugging design reduces heat loss. | 1. Extra‑Wide & Extended Size; 2. 3‑Way Sleep System: Bag, Blanket, Poncho; 3. Detachable Hood – Add or remove warmth as needed; customize your sleep setup; 4. Two Bags Zip Together into a Double. | 1. 3‑in‑1 Convertible System – Use the top as a solo blanket; attach the bottom sleeve to your own inflatable pad; 2. Expanded 3D Foot Box – Extra space at the foot‑section connection gives your feet room to move. | 1. 3‑in‑1 Versatility – Use it as a full sleeping bag, a standalone blanket, or attach it to your favorite inflatable pad; 2. Detachable Top Layer – Converts instantly into a solo blanket for lounging or warmer nights; 3. Roomy 3D Foot Box – Extra volume gives your feet space to move; foot section can be fully opened. | 1. 3‑Way Sleep System: Bag, Blanket, Poncho; 2. Detachable Hood – Add or remove warmth as needed; customize your sleep setup. | 1. Two Bags Zip Together into a Double; 2. 2‑Way Function – Use it as a cozy sleeping bag or unfold it into a soft, practical blanket. |
| Shell Fabric | 15D 480T Nylon Ripstop (Recycled) | 20D 400T Recycled Nylon Taffeta(Down‑proof treated, Water‑Repellent Grade 4) | 20D 400T Recycled Nylon Taffeta(Down‑proof treated, Water‑Repellent Grade 4) | 20D 400T Recycled Nylon Taffeta(Down‑proof treated, Water‑Repellent Grade 4) | 20D 400T Recycled Nylon Taffeta(Down‑proof treated, Water‑Repellent Grade 4) | 100% Nylon, 15D |
| Lining Material | 20D 400T Nylon Taffeta (Recycled) | 20D 400T Recycled Nylon Taffeta(Down‑proof treated, Water‑Repellent Grade 4) | 20D 400T Recycled Nylon Taffeta(Down‑proof treated, Water‑Repellent Grade 4) | 20D 400T Recycled Nylon Taffeta(Down‑proof treated, Water‑Repellent Grade 4) | 20D 400T Recycled Nylon Taffeta(Down‑proof treated, Water‑Repellent Grade 4) | 100% Nylon, 15D |
| Outer Bag | Compression Sack | Compression Sack | Compression Sack | Compression Sack | Compression Sack | Compression Sack |
| Shape & Fit | Mummy | Rectangular / Envelope | Semi-rectangular | Semi-rectangular | Rectangular / Envelope | Rectangular / Envelope |














