Snowbird™ SP400 Down Mummy Sleeping Bag 39°F / 3.8°C
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Product details
| Management number | 235467484 | Release Date | 2026/07/02 | List Price | US$45.50 | Model Number | 235467484 | ||
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The Naturehike Snowbird SP400 is a 2025 upgraded ultralight down sleeping bag engineered for cold-weather camping and backpacking. Filled with 400g of premium RDS & IDS certified duck down (650 fill power), it balances warmth and weight for reliable performance in temperatures as low as 38.8℉. The SP400 features a wind-blocking draft tube, C-shaped wrap design, and internal storage pocket, all designed to retain body heat while maintaining a compact carry size. Ideal for hikers, campers, and alpine adventurers seeking serious warmth without extra bulk.
Key Features:
- Ultralight & Compact – Weighs just approx. 2.2 lbs*, with a small packed size for easy transport
- Certified Down Fill – 400g of traceable duck down (650FP), RDS & IDS certified for quality and ethics
- Professional Warmth Design – Wind-blocking collar and C-shaped baffle structure minimize heat loss
- Comfort Focused – Soft 20D nylon shell, 3D footbox, and internal pocket for gear or phone
- Built for Cold Nights – Comfort rated to 38.8℉, great for spring, autumn, or early winter use
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