Vango Nitestar Alpha Sleeping Bag - Nitestar

The award-winning Nitestar Alpha is a 4-season mummy sleeping bag designed for maximum warmth and ...

Best current price£53.99from Mountain Warehouse

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Mountain WarehouseNitestar Alpha 450 Sleeping Bag -
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Mountain Warehouse - UKNitestar Alpha 450 Sleeping Bag -
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Mountain Warehouse USANitestar Alpha 450 Sleeping Bag -
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Outdoor ActionVango Nitestar Alpha 450 Sleeping Bag: Colour: Wine Small - Outdoor Action
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OnBuy.comVango Nitestar Alpha Sleeping Bag - Duke Of Edinburgh Recommended | Ultralight Mummy Sleeping Bag For Camping, Hiking, Outdoor, Backpacking (Nitestar
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Product Information

Full details

The Vango Nitestar Alpha is a high-performance 4-season mummy sleeping bag designed for trekkers and outdoor enthusiasts who require reliable warmth in challenging, cold-weather conditions. It provides exceptional thermal efficiency through advanced Alpha insulation and a specialized offset construction that eliminates cold spots. While it is an award-winning, robust choice suitable for Duke of Edinburgh expeditions, potential users should note that at 2.25kg, it is a heavier option better suited for base camping or trekking trips where weight is secondary to thermal performance.

All features

MaterialPolyester
Model Part NumberNitestar
BrandVango

Extended Product Information

FAQs

What is the season rating of this bag?

This is a 4-season sleeping bag designed for use in cold conditions ranging from -4C to 15C.

Is the Nitestar Alpha waterproof?

The shell is water-resistant and breathable, but it is not fully waterproof. It should be used inside a tent or a bivy sack in wet weather.

How heavy is the bag?

The bag weighs approximately 2.25kg.

Can I zip two bags together?

The Nitestar Alpha features a two-way zip which is typically intended for ventilation rather than pairing, though compatibility depends on the specific zip side of the second bag.

What does the 11.0 Tog rating mean?

Tog is a measure of thermal resistance; an 11.0 rating indicates a high level of insulation suited for cold-weather camping.

Is this bag suitable for DofE expeditions?

Yes, this bag is officially recommended for Duke of Edinburgh expeditions due to its durability and reliability.

Troubleshooting

Zipper keeps snagging on the fabric

Use one hand to hold the baffle back away from the zipper track while zipping, or use a small amount of non-greasy dry lubricant if the track is obstructed.

Feeling cold spots during the night

Ensure the internal shoulder baffle is properly cinched and that you are using a sleeping pad with sufficient insulation underneath you.

Pros and Cons

Pros

  • Excellent 4-season thermal efficiency with a 11.0 Tog rating
  • ISO 23537-1:2022 certified for verified performance
  • Offset construction effectively eliminates cold bridge areas
  • Highly durable shell fabric for long-term field use
  • Includes convenient internal storage pocket and hanging loops

Cons

  • Heavier weight of 2.25kg may be bulky for lightweight backpackers
  • Mummy shape can feel restrictive for those who prefer more leg room
  • Best suited for temperatures between -4C and 15C, which may be too warm for summer use

Setup, Compatibility & Care

To maximize the lifespan of your Nitestar Alpha, always unpack the bag from its compression sack when storing it at home; keeping it compressed for long periods can degrade the loft of the insulation. When setting up, ensure the sleeping mat has a high R-value to prevent ground-chill, as the insulation on the bottom of the bag is compressed by your body weight.

To clean, use a gentle cycle with a non-detergent soap designed for synthetic outdoor gear. Always air dry the bag thoroughly in a shaded area, as direct high heat can damage the shell material. Utilize the integrated hanging loops at the foot of the bag to air it out after each use to ensure moisture evaporates before storage.

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