Rab Alpine 400 Sleeping Bag - Nylon
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Product Information
Full details
The Rab Alpine 400 Sleeping Bag is designed for lightweight adventurers and backpackers seeking a reliable and warm sleeping solution. Its key benefit is excellent warmth-to-weight ratio thanks to premium down insulation and a thoughtful baffle design. A potential caveat is its narrow mummy shape, which might not suit all sleepers. This bag features 400g of responsibly sourced duck down, trapezoidal boxwall baffles for maximum loft, down-filled collars, and an angled footbox for comfort and reduced pack size.
All features
| Material | Nylon |
|---|---|
| Model Part Number | UAACSLZZ0081_INK_999 |
| Brand | Rab |
Extended Product Information
FAQs
What is the temperature rating for the Rab Alpine 400?
The comfort limit is -1°C (30°F) and the Rab Sleep Limit is -5°C (25°F). This indicates the lowest temperature at which a user can expect to sleep comfortably.
Is the down ethically sourced?
Yes, the bag is filled with R.D.S Certified European Duck Down, ensuring it is sourced responsibly and humanely.
How do I store the sleeping bag when not in use?
For long-term storage, use the provided cotton storage sack with a water-resistant base. Avoid storing it compressed in the stuff sack, as this can damage the down's loft over time.
Can I wash the sleeping bag?
Yes, but it requires careful attention. Use a down-specific technical cleaner and follow machine washing and tumble drying instructions precisely, ideally with dryer balls to restore loft.
What is the weight of the Rab Alpine 400?
The sleeping bag weighs approximately 840g (29.6 oz).
What does 'fill power' mean?
Fill power (650 in this case) is a measure of the loft or 'fluffiness' of the down. Higher fill power indicates better insulation and warmth for a given weight.
Is the outer material waterproof?
The outer material is 20D Pertex Quantum nylon ripstop with a fluorocarbon-free DWR (Durable Water Repellent) finish. This provides resistance to light moisture like dew or drizzle, but it is not fully waterproof.
Troubleshooting
Down clumped or lost loft after washing.
Ensure the bag was completely dry and tumble-dried on low heat with dryer balls to redistribute the down evenly. Re-tumble dry if necessary.
Zipper is difficult to close or snags.
Ensure the fabric baffle is clear of the zipper teeth. Use the anti-snag zip insert and guard. Gently work the zipper back and forth.
Bag feels cold.
Ensure the down collar is cinched snugly around your neck and the main zip is fully closed. Make sure the bag has fully lofted. Consider using an insulated sleeping pad.
Bag smells damp or musty.
The bag needs to be aired out thoroughly in a dry, well-ventilated area. If the smell persists, it may require careful washing and drying as per care instructions.
Pros and Cons
Pros
- Excellent warmth-to-weight ratio for backpacking.
- High-quality, responsibly sourced down insulation.
- Thoughtful baffle construction minimizes cold spots.
- Compact pack size due to mummy shape and angled footbox.
- Durable and water-resistant outer fabric.
Cons
- Mummy shape may feel restrictive for some users.
- Not designed for extreme cold weather conditions (comfort limit -1°C).
- Requires proper care to maintain down loft and performance.
Setup, Compatibility & Care Instructions
Setup: Unpack the sleeping bag from its stuff sack and gently shake it to allow the down insulation to loft and regain its maximum warmth. For optimal loft, leave the bag uncompressed for at least 24 hours after long-term storage. The bag is ready to use once fully lofted.
Compatibility: The Alpine 400 is designed for use with sleeping pads. Its narrow mummy shape is best suited for users who prefer a snug fit and is compatible with most standard-sized sleeping pads. The 3/4 length zip allows for ventilation adjustment.
Care: To maintain the performance of the down insulation, it is crucial to keep the bag dry. Use the provided water-resistant cotton storage sack for home storage. When washing, use a down-specific technical cleaner and follow the manufacturer's instructions carefully. Machine wash on a gentle cycle with cold water, and tumble dry on low heat with clean tennis balls or dryer balls to help break up clumps of down and restore loft. Avoid using harsh detergents or fabric softeners. Store the bag loosely in its cotton sack, not compressed in the stuff sack, to preserve the down's loft.