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The Criterion Quantum 350 is an extremely versatile lightweight sleeping bag and is our most popular bag. designed for 3 season trekking, summer Alpinism, ultralight hiking and adventure racing. With a comfort temperature rating of -6°C, this bag is suitable for camping during most of the year in the UK. Its weight is 695 grams, so it lightweight, helping to keep your pack weight down.
It is made using a Pertex Quantum (35gms/m²) ripstop shell filled with 350g of 870 FP Polish Goose down. Trapezoid construction eliminates cold spots enabling a comfortable night's sleep.
A DWR treatment of the shell helps protect the down from any dampness that may occur in your tent, from condensation or wet gear. When in its stuff sack, the pack size is 12 x 12 x 27 cm which take up hardly any room in your rucksack.
The Criterion Quantum 350 sleeping bag can be used for a diverse range of activities including ultralight hiking, 3 season trekking, summer Alpinism, micro-adventures, endurance racing/adventure racing/mountain marathons, cycle touring. The night-time temperature when you are doing these activities could well be a few degrees below freezing. With a comfort temperature of -6°C the Criterion Quantum 350 will keep you warm without being too hot in milder weather. The weight of 695 grams enables the sleeping bag to be carried comfortably in your rucksack.
Materials & Construction