Vango Nitestar Alpha 250S Sleeping Bag (Gale) image 1

Vango Nitestar Alpha 250S Sleeping Bag (Gale)

£35.99(inc VAT) £52.00
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  Product Description
The Vango Nitestar Alpha 250S stands as the brand's best-selling sleeping bag, and there's good reason behind that popularity. Built around Alpha insulation - a 50/50 blend of polyester and siliconised hollow fibres - this bag delivers proper warmth without the bulk you'd expect. The offset construction means the shell and lining stitching never line up, which stops cold spots forming along the seams. You'll notice the mummy shape tapers from shoulders to feet, cutting down on dead air space that your body would otherwise need to heat. The 68D Polair Hex fabric on the outside feels tough enough to handle rough ground, whilst the 190T brushed polyester lining inside is genuinely soft against your skin. It's ISO 23537-1:2022 certified and sits on the Duke of Edinburgh's Award Recommended Kit list, which tells you it meets strict standards for expedition use.

Practical features stack up throughout this sleeping bag. The 3D hood shapes around your head rather than just cinching flat, with a drawcord you can adjust when temperatures drop or you need more ventilation. An insulated shoulder baffle sits at the top with its own drawcord, trapping warm air before it escapes. The two-way zip runs smoothly thanks to anti-catch piping, and there's an insulated baffle running its full length to block draughts. Auto-lock stops the zip creeping open whilst you sleep. Small touches like the fleece-lined footer, internal pocket for valuables, and hanging loops for drying all prove useful on multi-day trips. The siliconised coating on the insulation fibres reduces friction between them, which means the bag compresses well for packing and resists clumping when damp.

This sleeping bag is shorter than its counterpart (Vango Nitestar Alpha 250 Sleeping Bag), but offers a lighter pack weight and a length of 175cm which suits backpackers or campers doing Duke of Edinburgh expeditions, and anyone wanting reliable warmth without carrying excessive weight. Temperature ratings follow ISO standards, so you can accurately match the bag to your planned conditions rather than guessing from marketing claims. It compresses down properly for rucksack packing, though you'll want a compression sack if you're seriously tight on space. The Alpha insulation performs well in typical UK camping conditions where you might encounter dampness, as the siliconised coating helps maintain loft even when moisture gets in. Regular airing and proper storage between trips keeps the insulation performing season after season.

Vango Nitestar Alpha 250S Sleeping Bag Features


  • Polair® Hex Fabric - A strong, durable yet soft touch 68D polyester shell fabric with an embossed hex grid finish.
  • Polair® Fabric Lining - A super soft and comfortable 190T brushed polyester microfibre lining that's incredibly warm and soft to touch
  • Alpha Insulation - A lightweight 50/50 blend of polyester and siliconized hollow fibres that trap more air between and within the fibres to increase warmth retention whilst retaining compressibility. A siliconized coating reduces friction to prevent insulation clumping and increases water repellence.
  • Offset Construction - A double layer design that offsets the shell and lining stitching to reduce cold spots and increase warmth retention.
  • Mummy Shaped Sleeping Bag - Tapers from the shoulders to the foot, reducing pack size and increasing thermal efficiency
  • Fleece-lined footer offers additional comfort and warmth
  • 3D Hood - Anatomically shaped to provide greater comfort and reduce heat loss. A convenient drawcord closure allows for flexible adjustment in varying temperatures.
  • Horizontal Stitching - Evenly spaced to hold insulation in place and ensure even distribution throughout
  • Insulated Shoulder Baffle - Helps retain heat within the sleeping bag. A convenient drawcord closure allows for flexible adjustment in varying temperatures.
  • Zip Guard with Anti-Catch Piping - Helps to prevent the zip from snagging on the lining, allowing easy opening and closing
  • Insulated Zip Baffle - Prevents heat from escaping along the zip, reducing cold spots within the sleeping bag.
  • Auto-Lock Two-Way Zip - Seals in warmth and provides adjustable ventilation. Auto-lock prevents the bag from opening during the night and can be accessed from inside the bag
  • Woven Zip Puller - Allows you to quickly and easily move the zip
  • Internal Pocket - Provides convenient storage for small items
  • Hanging Loops - Allows you to easily hang your bag for quick and easy drying
  • ISO 23537-1:2022 Certified - Extensively tested to meet industry standard temperature ratings

Specifications
  • Weight : 1.45 kg
  • EN13537 Comfort : 2 °C
  • EN13537 Extreme : -21 °C
  • EN13537 Limit : -4 °C
  • Suggested Usage Max : 20 °C
  • Suggested Usage Min : -2 °C
  • External Chest Width : 80 cm
  • External Foot Width : 50 cm
  • External Length : 195 cm
  • Maximum User Height : 175 cm
  • Internal Chest Width : 78 cm
  • Internal Foot Width : 48 cm
  • Sleeping Bag Shape : Mummy
  • Performance : 3 Season
  • Fill Type : Insulite Alpha
  • TOG Rating : 10
  • EAN : 5059474017088
  • Colourway : Gale

Frequently Asked Questions


What temperature rating does the Vango Nitestar Alpha 250S have?
The Nitestar Alpha 250S is ISO 23537-1:2022 certified, which means it has been independently tested to international standards for temperature performance. The 250S model typically provides comfort ratings suitable for three-season camping in UK conditions. Check the specific temperature ratings on the product label, as ISO testing provides comfort, limit, and extreme temperature figures that help you match the bag to your intended camping conditions.
Is the Vango Nitestar Alpha 250S suitable for Duke of Edinburgh expeditions?
Yes, the Nitestar Alpha range appears on the Duke of Edinburgh's Award Recommended Kit list. This sleeping bag meets the requirements for DofE expeditions at Bronze, Silver, and Gold levels. It provides adequate warmth for typical UK expedition conditions, packs down small enough for rucksack carrying, and offers the durability needed for multi-day trips where kit reliability matters.
What does Alpha insulation mean in this sleeping bag?
Alpha insulation is Vango's synthetic fill made from a 50/50 blend of polyester and siliconised hollow fibres. The hollow structure traps air inside each fibre as well as between fibres, increasing warmth retention whilst keeping the insulation compressible. The siliconised coating reduces friction between fibres, which prevents clumping and helps the insulation maintain its loft over time. This coating also adds some water repellence, so the insulation continues performing when exposed to dampness.
How do I wash and care for the Nitestar Alpha 250S?
Wash the sleeping bag in a front-loading washing machine on a gentle cycle with cool water and specialist sleeping bag cleaner or mild detergent. Avoid fabric softener as it damages the insulation. Tumble dry on low heat with dryer balls or clean tennis balls to break up clumps and restore loft. Air the bag thoroughly after each trip and store it loosely in a large storage sack rather than compressed in its stuff sack, which preserves the insulation's loft between uses.
What's the difference between offset construction and standard stitching?
Offset construction uses two layers of fabric and insulation where the stitching lines on the inner and outer layers don't line up. Standard single-layer construction creates cold spots along every stitch line because there's no insulation at those points. By offsetting the stitching, the Nitestar Alpha ensures insulation from one layer covers the stitch lines of the other layer, eliminating cold spots and improving overall warmth retention throughout the sleeping bag.
Can the Nitestar Alpha 250S zip together with other sleeping bags?
The Nitestar Alpha 250S can potentially zip together with other Vango sleeping bags that have compatible zip configurations. You'll need one bag with a left-hand zip and one with a right-hand zip. Check which zip direction your bag has before purchasing a second one if you want to create a double sleeping bag. Not all Vango models use the same zip length or style, so compatibility isn't guaranteed across different ranges.
What size person fits comfortably in the 250S model?
The 250S designation typically indicates this is a standard adult size sleeping bag suitable for people up to approximately 183cm tall. Vango uses mummy shaping that tapers from shoulders to feet, so the bag fits closer to your body than rectangular sleeping bags. If you're particularly tall, broad-shouldered, or prefer more room to move, look at the dimensions carefully or consider a larger size in the Nitestar Alpha range if available.
How compressed does the Nitestar Alpha 250S pack down?
The Nitestar Alpha 250S comes with a stuff sack that compresses the sleeping bag to a size that fits inside standard rucksacks used for backpacking and expeditions. The Alpha insulation compresses better than many synthetic fills due to its hollow fibre structure and siliconised coating. Using a separate compression sack reduces the packed size further if you need to save space. Remember to store the bag loosely between trips rather than keeping it compressed, which maintains the insulation's ability to loft properly.
EAN-13 : 5059474017088
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If you’ve changed your mind about keeping your purchase, please return it in its original condition with proof of purchase and we’ll exchange or refund it. Unless faulty, this should be within 100 days of receiving your order. By original condition, we’d expect this to mean that you’ve kept packaging and labels, and that the item is undamaged and unused.

For further information of how to return your item, please visit the "Returning an Unwanted/Faulty/Damaged Item" section on our Help Page.
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