Trekking Sleeping Bag mt900 5°C Down
Store Availability
This three-season sleeping bag, made from down and feathers, allows you to sleep comfortably at temperatures of 5°C or above.
This sleeping bag is warm and light thanks to the loft (700CUIN) of the down used, and is also very compressible. Mummy shape and adjustable hood with good coverage and a drawstring.
BENEFITS
Water repellent
Surface-treated outer fabric (PFC-free) so the water slides off
Ease of use
3/4 length, anti-pinch zip.
Lightweight
For size L. Weight: 830g. Volume: 6.2L. Stuff Bag
Optimum temperature
Comfort temperature: 5°C, limit temperature: 0°C. 700CUIN
Sleeping quality
Mummy shape, anatomical hood and ergonomic foot box
TECHNICAL INFORMATIONS
What are the features of the MT900 5°C sleeping bag?
Ergonomic hood with drawcord.
2-Way YKK zip, with anti-pinch system for optimal ventilation.
A baffle along the zip prevents heat loss.
Inner zipped pocket.
2 Buckles at the base of the bag so you can hang it up and dry it.
Comes with a perforated fabric storage bag.
What is the comfort temperature?
All our sleeping bags display the comfort temperatures tested by an independent laboratory (AITEX), in accordance with the international standard ISO 23537-1: 2022.
The comfort temperature is the minimum temperature at which an average person (woman, 25 years old, 60kg, 1.60m) is comfortable, without feeling cold, in a relaxed position.
Choose your sleeping bag according to this criterion.
What is the limit temperature?
The limit temperature is the minimum temperature at which an average person (man, 25 years old, 70kg, 1.73m) can sleep in a curled-up position without feeling cold.
And, for your information, the extreme temperature is the minimum temperature at which a person can survive (risk of hypothermia) for 6 hours. This refers to safety, and not comfort.
Which mattress should I use this sleeping bag with?
The protocol for measuring the thermal performance of a sleeping bag is to use a mattress with a thermal resistance corresponding to an R-value of 4.8.
If you use a less insulating mattress, the thermal performance of your sleeping bag will be lower.
We therefore recommend that you use an insulating mattress for better thermal comfort.
Weight and dimensions of the MT900 5°C sleeping bag (manufacturing variations of +/ -5%).
Size S (users up to 1.59m): 670g (incl. 280g of down/feathers) Folded dimensions: L 27cm Ø 15cm. Volume 4.7L
Size M (users between 1.60m and 1.69m): 750g (including 322g of down/feathers). Folded dimensions: L 27cm Ø 16cm. Volume 5.5L.
Size L (users between 1.70m and 1.84m): 830g (including 370g of down/feathers). Folded dimensions: L 27cm Ø 17cm. Volume 6.2L.
Size XL (users between 1.85m and 2m): 930g (including 420g of down/feathers). Folded dimensions: L 31cm Ø 18cm. Volume 6.9L.
How durable is the MT900 5°C sleeping bag?
The outer material is made from 100% polyamide in 10 denier (weighing 20g/sqm) and a 30 denier ripstop fabric. This canvas can withstand up to 80,000 abrasion cycles.
Durability is calculated using the Martindale test (Standard 12 947-2). This test involves rubbing the bag material against another material to assess the product's abrasion resistance.
The inner lining is made from a 100% polyamide fabric in 20 denier, weighing 35g/sqm.
How can I keep warm in the MT900 5°C sleeping bag?
Dress simply (1 layer of clothing, ideally made from merino wool, is enough).
Protect your extremities with a hat, gloves, socks and hand warmers if needed.
Use a sleeping bag liner to optimise heat and avoid over-washing your sleeping bag Choose a mattress with good insulation (R-value> 3).
And an extra tip: contract your muscles (70% of the energy consumed is converted into heat) but do it without moving as this could create a draught!
How to care for your MT900 5°C sleeping bag
Even if you regularly use a bag liner, you will need to wash your down bag from time to time. You will find all the relevant information on the Decathlon Sport website.
Summary:
1/ machine wash, 30°, with 2 or 3 tennis balls. Gentle spin cycle.
Use special down detergent (ref: 8609821)
2/ Tumble dry with 2 or 3 tennis balls, and repeat 2 or 3 times until completely dry.
How to repair your MT900 5°C sleeping bag
On a trek, you can snag a sleeping bag, it happens! The good news is that it can be repaired to prevent the tear from getting bigger or the synthetic fibres from escaping.
To do this, we recommend that you use self-adhesive repair patches (ref: 8584596).
If you don’t feel comfortable doing this yourself then a heat-bonded patching service is available at the workshop of your Decathlon store.
COMPOSITION
composition
Filling: 10.0% Grey Duck Feather, 90.0% Grey Duck Down; Lining: 100.0% Polyamide; Main fabric: 100.0% Polyamide; Carry bag: 100.0% Polyester; Bag cover: 100.0% Polyester; Coating: 100.0% Polyurethane
Tips for storage and maintenance
MAXIMUM WASH TEMPERATURE OF 30°C. VERY MODERATE TREATMENT.
BLEACHING EXCLUDED.
DRYING IN TUMBLE DRYER POSSIBLE. LOW TEMPERATURE, MAXIMUM DRUM EXHAUST TEMPERATURE 60°C.
DO NOT IRON.
DO NOT DRY CLEAN.
Storage tips
To keep your MT900 5°C sleeping bag fluffy and help retain its thermal properties, it is best to store it loosely in the storage bag provided.
TESTS AND WARRANTY
Test product
This MT900 5°C Down sleeping bag has been field-tested in real conditions. It was used for 5 weeks during the spring of 2023, by 2 teams of external testers not affiliated with Decathlon, who trekked and bivouacked in the French Alps.
Warranty
5 Years