| | |  Hohenstien InstitutesGelert sleeping bags have been sent to the world renowned Hohenstien Institutes in Germany to conform with EN 13537 standards.
This standard provides a comparison between different sleeping bag manufacturers so that the consumer can evaluate the different temperature ratings. The sleeping bag temperature ratings are as accurate as scientific measurements can be, and can assist consumers in choosing the appropriate bag for their intended activity.
The EN 13537 test is conducted under controlled conditions using a manikin in the sleeping bag that has separate heating zones and temperatures sensors to simulate a human body in a sleeping bag.
These tests give accurate information on the range of utility of the sleeping bag, the determination of a comfort, limit and extreme temperature rating
|  Sleeping Bag Temperature RatingsThe sleeping bag extreme temperature rating is the lowest temperature at which the bag will perform.
The sleeping bag comfort zone indicates a temperature range making sure campers feel comfortable throughout the night.
Sleeping bags can also be catagorized into seasons. These are a guide to supplement the temperature ratings. |  Sleeping Bag InsulationMono Fibre - a single hole, silicon coated hollow fibre offering pedigree insulation for your sleeping bag.
3D Spiral Fibre - a 3 denier silicon coated spiral shaped hollow fibre. Warm air is trapped in the spiral pockets generating spring-like loft and great insulation.
Pro Fibre - a micro, silicon coated hollow fibre ideal for lightweight filling and small pack size. | Sleeping bag fabricsAll Gelert sleeping bags use premium performance nylon and/or ripstop shells and a selection of supersoft linings. It's Gelert's aim to ensure that you have a comfortable nights sleeping wherever you are. Windproof, water resistant and breathable fabrics make these sleeping bags unbelievably good value for money in comparison to the competition. | Sleeping Bag Links:Winter Sleeping Bags
Gelert Sleeping Bags
Lightweight Sleeping Bags
Children's Sleeping Bags
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