ATEPA Elements 450 Coldmaster™ Mummy Sleeping Bag | 700FP Recycled Down Blend, Ultralight 3-Season Backpacking & Camping Gear:
Stay warm and pack light with the ATEPA Elements 450 Coldmaster™ Sleeping Bag, engineered for backpackers who refuse to compromise between sustainability, weight, and performance. With a 700FP recycled down blend and precision mummy shaping, this 3-season sleeping bag delivers reliable warmth in temperatures as low as -14°C (6.8°F), all while compressing to the size of a hydration bladder.
KEY FEATURES
🔹 Advanced Coldmaster™ Insulation
A 55% RDS-certified duck down + 45% recycled cotton blend offers the loft of premium down with enhanced moisture resistance. The 450g fill weight and 700 fill power strike the ideal balance of warmth and packability.
🔹 Ultralight & Ultra-Compact
Weighing just 2.2 lbs, the sleeping bag compresses to 13.78” x 7.48” in its included compression sack—saving crucial space in your backpack or carry-on.
🔹 All-Season Versatility
Rated from 42.8°F to 6.8°F (6°C to -14°C), this bag adapts to spring, fall, and winter conditions. The 3D footbox and contoured hood eliminate cold spots while accommodating users up to 6’5”.
🔹 Eco-Conscious Construction
GRS-certified 15D recycled nylon shell and liner reduce environmental impact without sacrificing durability, moisture resistance, or tear strength.
🔹 Thoughtful Trail-Ready Design
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YKK self-locking anti-snag zippers
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Internal security pocket for phones/essentials
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Draft collar with adjustable drawstring
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Mesh storage bag to maintain loft during storage
TECH SPECS
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Temperature Rating:
- Tested Comfort: 42.8 degrees (F) - ISO
- Tested Lower Limit: 33.8 degrees (F) - ISO
- Tested Extreme: 6.8 degrees (F) - ISO
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Fill: 450g 700FP Coldmaster™ MIX (55% down + 45% recycled cotton)
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Fabric: 15D 480T Recycled Nylon Shell + 20D 400T Nylon Liner
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Packed Size: 13.78” x 7.48”
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Weight: 2.2 lbs (1 kg)
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Dimensions: 86.6” x 31.5” (Fits users up to 6’5”)
IDEAL FOR
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Backpacking & Thru-Hiking
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Cold-Weather Camping
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Alpine Mountaineering
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Travel & Ultralight Adventures
Gear Up Smarter
The ATEPA Elements 450 combines ethical materials, intelligent design, and trail-proof durability—helping you explore further while leaving a lighter footprint.
Compare ATEPA Sleeping Bags - Coldmaster™ Down Series
ELEMENTS 450
$139.99
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$129.99
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PEAKVENT 520
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COCOON HUG E2 400
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SEATTLE 300
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|
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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 |
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