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  • Trekking Sleeping Bag - MT900 10°C - Down
  • Trekking Sleeping Bag - MT900 10°C - Down
  • Trekking Sleeping Bag - MT900 10°C - Down
  • Trekking Sleeping Bag - MT900 10°C - Down
  • Trekking Sleeping Bag - MT900 10°C - Down
  • Trekking Sleeping Bag - MT900 10°C - Down
  • Trekking Sleeping Bag - MT900 10°C - Down
  • Trekking Sleeping Bag - MT900 10°C - Down
  • Trekking Sleeping Bag - MT900 10°C - Down
  • Trekking Sleeping Bag - MT900 10°C - Down
  • Trekking Sleeping Bag - MT900 10°C - Down
Trekking Sleeping Bag - MT900 10°C - Down
FORCLAZ

Trekking Sleeping Bag - MT900 10°C - Down

8575969
$109.00
Tax included
  • Trekking Sleeping Bag - MT900 10°C - Down
  • Trekking Sleeping Bag - MT900 10°C - Down
  • Trekking Sleeping Bag - MT900 10°C - Down
  • Trekking Sleeping Bag - MT900 10°C - Down
  • Trekking Sleeping Bag - MT900 10°C - Down
  • Trekking Sleeping Bag - MT900 10°C - Down
  • Trekking Sleeping Bag - MT900 10°C - Down
  • Trekking Sleeping Bag - MT900 10°C - Down
  • Trekking Sleeping Bag - MT900 10°C - Down
  • Trekking Sleeping Bag - MT900 10°C - Down
  • Trekking Sleeping Bag - MT900 10°C - Down
Trekking Sleeping Bag - MT900 10°C - Down
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This two-season sleeping bag, made from down and feathers, allows you to sleep comfortably at temperatures of 10°C or above.

Designed in the French Alps, this lightweight summer sleeping bag is the perfect trekking and bivvy companion. Filled with RDS* certified feathers it weighs just 700g and is highly compressible.

Filling: 10.0% Grey Duck Feather, 90.0% Grey Duck Down; Lining: 100.0% Polyamide; Shell: 100.0% Polyamide; Carry bag: 100.0% Polyester; Bag cover: 100.0% Polyester; Coating: 100.0% Polyurethane

BENEFITS

Optimum temperature

Comfort temperature 10°C, limit temperature 5°C

Easy transport

For size L.
Weight: 700 g. Volume: 4.9 litres.
Stuff Bag

Sleeping quality

Mummy shape, anatomical hood. 1 long zip on the left with a double slider

Water repellent

Outer surface of the fabric is treated so that water runs off the surface

Warmth

Ethically-produced down with a fill power of 800 CUIN

Compatibility

non-twinnable sleeping bag

TECHNICAL INFORMATIONS

What is the temperature rating?

All our sleeping bags display the temperature ratings, tested by an independent laboratory (AITEX), in accordance with the European standard NF ISO 23537 - 1:2022. The comfort temperature rating is the lower limit at which the user in relaxed posture is generally in thermal equilibrium and feels neither too cold nor too hot (for a standard woman in normal conditions of use).
Choose your sleeping bag according to this criterion.

What is the temperature rating (lower limit at which you feel comfortable)?

The comfort limit temperature is the temperature limit at which a person curled up in the sleeping bag is in general thermal equilibrium, neither too cold nor too hot (determined for a man in normal conditions of use).

An important clarification concerning the ISO 23537-1 standard

In the context of this standard, the measurement protocol of a sleeping bag’s thermal protection uses a mattress with thermal resistance equal to an R-value of 4.8.

This means that by using a less insulating mattress, the thermal performance of your sleeping bag will be lower.

We therefore recommend you use an insulating mattress to optimise your thermal comfort.

Some advice to consider before you get into your bag

Dress simply (1 layer of clothing is enough).
Warm-up your extremities: hats, gloves, socks, hand/feet warmers, rubdowns, etc. A flask of hot water can be used as a hot water bottle (as long as there's no chance of it accidentally opening!)
Contract your muscles (70% of the energy consumed is converted into heat) but do it without moving as this could create a draught.
Use a bag liner to optimise warmth and avoid washing your sleeping bag too frequently.

Style

The mummy shape optimises thermal insulation (no loss of heat because there is not much air flow or draughts) and saves space, which means that your movements are restricted.
Width at the shoulders 73 cm, height at the feet 27 cm in size L.

Weight and dimensions

Size S: 560 g, user up to 1.59 m. Bag dimensions: Ø 12 x 34 cm. Volume 3.5 L. 260 g down/feathers.
Size M: 620 g, user between 1.6 m and 1.69 m. Bag dimensions: Ø 13 x 34 cm. Volume 4.2 L. 260 g down/feathers.
Size L: 700 g, user between 1.7 m and 1.84 m. Bag dimensions: Ø 14 x 34 cm. Volume 4.9 L. 300 g down/feathers.
Size XL: 780 g, user from 1.85m to 2m tall. Bag dimensions: Ø 15 x 34 cm. Volume 5.6 L. 340 g down/feathers.

Functions

Anatomical hood with good coverage and drawstring adjustment.
A baffle along the zip prevents heat loss.
Double-slider zips for optimal ventilation.
X-shaped compartmented structure, through-stitching.

The advantages of a duck down and feather filling

The filling power of down has 3 advantages for mountain sports:
- Thermal insulation thanks to the air trapped in the down and feathers
- Ultra low weight: down is lighter than synthetic wadding while offering the same degree of warmth. This saves even more weight in your backpack
- Ultra-compressible

How to measure the fill power of a down and feather wadding?

The fill power is a measure of the down's thermal insulation capacity and its potential to "trap" air. It is expressed in CUIN (cubic inches).
So, down with a higher fill power (higher CUIN number) will occupy more space, trap more air and provide greater thermal insulation.

For this sleeping bag with its 90% down / 10% feathers filling, the fill power is guaranteed to be 800 CUIN or more (international IDFB standard).

How to maintain a down sleeping bag?

Even if you regularly use a bag liner, you will need to wash your down bag from time to time. Follow our guidance by copying the link below:
https://www.forclaz.co.uk/how-to-look-after-a-down-sleeping-bag
In short:
1/ machine wash, 30°, with 2 or 3 tennis balls. Gentle spin cycle.
Use special detergent for washing down (ref: 8609821)

2/ tumble dry with 2 or 3 tennis balls, and repeat 2 or 3 times until it is completely dry.

How to repair your 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 and the feathers from escaping.

To do this, we recommend that you use self-adhesive repair patches (ref: 8584596) or ask one of our technicians to do this for you in the workshop of your Decathlon store.

Find out more:
https://www.forclaz.co.uk/how-to-look-after-a-down-sleeping-bag

Warranty:

This sleeping bag is guaranteed for a period of 5 years from the date of sale indicated on the receipt. The product covered by the guarantee will be repaired or exchanged free of charge. The warranty covers product defects excluding any resulting from normal wear and tear and those resulting from abnormal use. The product and sales receipt are required for this special 5-year warranty to be valid.