The Vango Atlas 250 works as a proper three-season sleeping bag for camping trips, festivals, and weekend getaways. Its mummy-shaped design tapers from shoulders to feet, cutting down pack size while keeping warm air close to your body. The ThermoLock insulation maintains its loft across multiple trips and retains warmth even when damp, which comes in handy during unpredictable British weather. The drawcord-adjustable hood seals around your head to prevent heat escaping during colder nights, and the two-way zip lets you control ventilation from either end when temperatures rise.
Both the outer Polair shell and brushed polyester lining use 190T fabric that feels comfortable against skin and stands up to repeated use. The single-layer stitch-through construction with S-stitching keeps the Grade A insulation evenly distributed, preventing cold spots from developing. You can throw it in a washing machine when it needs cleaning, which extends its lifespan compared to bags requiring specialist cleaning. The EN ISO 23537-1:2016 certification provides reliable temperature ratings, and hanging loops make drying straightforward after wet conditions.
This sleeping bag suits campers who need reliable performance without spending on technical expedition gear. The stuffsack with drawcord compresses it down for transport, though the mummy shape means less internal room than rectangular bags if you move around during sleep. Woven zip pullers work smoothly, and the insulation lock system maintains consistent warmth distribution across the entire bag. It delivers solid value for festival-goers, family campers, and anyone starting out with overnight trips in spring, summer, and autumn conditions.
Vango Atlas 250 Sleeping Bag Features
- Polair® Shell - A soft touch, durable, 190T polyester fabric that's machine washable for comfort and longevity
- Polair® Fabric Lining - A super soft and comfortable 190T brushed polyester microfibre lining that's incredibly warm and soft to touch
- Grade A Insulation Fill – A superior fibre insulation that's durable, warm, lightweight, soft to touch and retains
- Single-Layer Stitch Through Construction - Maintains an even distribution of insulation to prevent cold spots
- ThermoLock Insulation - High loft insulation that retains warmth even when wet
- Shaped Hood with Drawcord Closure - Reduces heat loss from the head. Drawcord allows adjustment of the hood for controllable heat retention
- Mummy Shaped Sleeping Bag - Tapers from the shoulders to the foot, reducing pack size and increasing thermal efficiency
- Two-Way Zip - Can be unzipped from the top or bottom to increase ventilation
- Hanging Loops - Allows you to easily hang your bag for quick and easy drying
- Woven Zip Puller - Allows you to quickly and easily move the zip
- Stuffsack with Drawcord – Allows for easy packing, while minimising pack size for easy transportation
- Insulation Lock - S-Stitching holds insulating fibre in place for an even distribution across the body
- EN ISO 23537-1:2016 Certified - Extensively tested to meet industry standard temperature ratings
Specifications
- Weight : 1.32 kg
- EN13537 Comfort : 7 °C
- EN13537 Extreme : -13 °C
- EN13537 Limit : 2 °C
- Suggested Usage Max : 20 °C
- Suggested Usage Min : 7 °C
- External Chest Width : 80 cm
- External Foot Width : 50 cm
- External Length : 210 cm
- Maximum User Height : 185 cm
- Internal Chest Width : 78 cm
- Internal Foot Width : 48 cm
- Sleeping Bag Shape : Mummy
- Performance : 2 Season
- Fill Type : 30% Single Hole siliconised hollow fibre/70% polye
- TOG Rating : 8.5
- EAN : 5059474016968
- Colourway : Midnight Navy / Deep Atlantic Green
Frequently Asked Questions
The Atlas 250 carries EN ISO 23537-1:2016 certification, which provides standardised temperature ratings. The 250 designation refers to the fill weight, making this bag suitable for spring, summer, and autumn camping in the UK. It works best in temperatures above freezing, with the mummy shape and adjustable hood helping retain warmth during cooler nights.
Mummy-shaped sleeping bags like the Atlas 250 typically cannot be zipped together due to their tapered design. The narrower foot box and contoured shape make coupling incompatible. If you need a double sleeping bag setup, rectangular or semi-rectangular designs work better for zipping together.
The Atlas 250 is machine washable. Use a large capacity machine on a gentle cycle with cool water and mild detergent. Avoid fabric softener as it reduces insulation performance. Tumble dry on low heat or hang using the integrated loops, turning occasionally to ensure the ThermoLock insulation dries evenly throughout. Make sure it's completely dry before storing to prevent mildew.
The mummy shape and stuffsack with drawcord compress the Atlas 250 down for transport, though synthetic insulation doesn't pack as small as down. The packed dimensions fit into most rucksacks for camping trips. For extended backpacking where weight and pack size are critical, you might need to consider more compact options, but for car camping, festivals, and general campsite use, the size is manageable.
The two-way zip opens from either the top near your head or the bottom near your feet. This lets you ventilate the sleeping bag without fully opening it. If you get too warm during the night, you can unzip from the bottom to stick a leg out for cooling while keeping your upper body covered. You can al
so unzip from the top for easy entry and exit.
The Atlas 250 comes in standard adult sizing. The mummy shape tapers down, which means excess space for smaller users that reduces thermal efficiency. Children often sleep warmer in properly sized junior sleeping bags rather than adult bags with too much air space to heat. Vango produces separate youth and junior sleeping bags designed with appropriate dimensions for younger campers.
ThermoLock is Vango's synthetic insulation technology that maintains its loft and warming properties better than basic hollow fibre fills. It retains insulating capability when damp, which matters during British camping trips where condensation and moisture are common. The insulation lock system with S-stitching keeps fibres distributed evenly, preventing them from bunching up after washing or compression.
With proper care including regular washing when needed, complete drying between uses, and storage in a loose state rather than compressed, synthetic sleeping bags like the Atlas 250 typically provide 5-10 years of regular camping use. The Grade A insulation and Polair fabric construction resist compression fatigue better than budget options. Synthetic fills gradually lose some loft over time compared to down, but the machine washable feature means you can maintain cleanliness easily, which extends usable life.
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