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Forclaz US Backpacking Sleeping Bag MT500 23°F - Polyester

Sale price: $80.00 Regular price: $109.00

This mummy bag is filled with our thickest wadding: guaranteed comfort! You'll love its 2 side zips with a double slider for optimal ventilation. It can also be twinned.

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Sale price: $80.00 Regular price: $109.00

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About this item:

  • Comfort temperature rating 23°F, limit temperature 12°F
  • For size L: Weight: 2100g. Volume : 19.1 L.
  • Can be twinned with other models from the Forclaz MT500 range
Model: 8750218

Product Features

A photo of the Forclaz US Backpacking Sleeping Bag MT500 23°F - Polyester in use
A photo of the Forclaz US Backpacking Sleeping Bag MT500 23°F - Polyester in use

Forclaz US Backpacking Sleeping Bag MT500 23°F - Polyester | Our designers, who are all backpacking enthusiasts, designed this sleeping bag to sleep comfortably in a bivouac at temperatures above or equal to 23°F (-5°C).

This mummy bag is filled with our thickest wadding: guaranteed comfort! You'll love its 2 side zips with a double slider for optimal ventilation. It can also be twinned.

Optimal temperature

Comfort temperature rating 23°C (-5°C), limit temperature 12°F (-11°C).

Easy to transport

For size L. Weight: 4.6 lbs (2100g). Volume : 19.1 L. Stuff Bag

Sleeping comfort

Comfortable mummy shape. 2 x 3/4 zips with a double slider for ventilation.

Compatibility

Can be twinned with other models from the Forclaz MT500 range

Water repellent

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

Product Lifestyle Image Gallery

Image Gallery



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Questions & Answers

Product Customer Reviews

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very warm

I used the sleeping bag in the Alpstein at -5 degrees in December and it kept me really warm!

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comfort

This quality is good at this price, I recommend it with UYU MED use.

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Comfortable and warm

This sleeping bag is really designed for trekking in a cold environment. It is warm and comfortable. I am very satisfied with my purchase!

👍👍👍👍👍👍👍

👍👍👍👍👍👍👍👍

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tb

tb

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Very good product for my use

Very good product for my certainly not very intensive use, easy to put back in the cover, closures seem to be of good quality, only slightly getting caught in the duvet. Weight and size as advertised

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Not so good…

Too bulky for hiking, but still quality and very warm when you approach 0°

Excellent quality but bulky for trekking

The green color of this sleeping bag is truly stunning, and its design is both modern and functional. As soon as you touch it, you feel the quality of the product, with a soft and pleasant fabric in contact with the skin. Measuring 1m80, I opted for the XL model as a precaution, but in reality, the L model would have been more than sufficient given its size. The dimensions are therefore faithfully respected. For various reasons, I couldn't choose a feather duvet, so I opted for this wadding one, which turned out to be very comfortable. However, its weight and volume are quite substantial, weighing 2.4 kg and occupying almost 21 L of volume. This makes it unsuitable for trekking or any trip where space in the backpack is crucial. Despite this drawback, I must emphasize that the quality of this sleeping bag is undeniable. It's excellent value for money, and it offers optimal sleeping temperature, making it an ideal choice for camping or traveling where weight and volume are not major constraints. However, for my specific trekking needs, I had to invest in another lighter and more compact version (the MT500 5°C).

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Good value for money

Good value for money

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Tested in winter motorcycle concentrations

Very good sleeping bag for winter bivouac, tested for "les millevaches" and "les Elefantentreffen" (motorcyclists will understand). This bag is very comfortable for temperatures down to -7°C with merino wool bag sheet (FORCLAZ). On the other hand, it is quite bulky and heavy, perhaps the price of comfort.

it was a gift, difficult…

it was a gift, difficult to give notes

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Sleeping bag

Although it is a thick overall for cyclists, it is ideal for traveling by car, camping and spending the night. It is very suitable for quality and performance standards. The price is very good compared to other quality products. I can say that you cannot find this product at this price. Compare it optimally in the feasibility calculation and see the comparison.

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Perfect

Impeccable for bivouac even in winter or in cold areas. I am delighted about it.

Test at the limit

I've had the sleeping bag for 2 years now and have slept outdoors and on my bus at -7 degrees on several occasions. The sleeping bag does what it promises. Even at -7 degrees it was still nice and warm in the sleeping bag.

heavy but good product

the only problem with this article is the weight, it is better to use it when you have the car nearby or you don't have to walk much, otherwise it will increase the weight of the backpack. tested inside a bivouac (external temperatures down to -20°, internal temperatures down to -6°), I slept warm and very comfortable. just use an emergency thermal blanket and its performance obviously increases. super recommended.

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Additional Product Information

Composition

Padding: 100.0% Polyester ; Main fabric: 100.0% Polyester ; Carry bag: 100.0% Polyester ; Lining: 100.0% Polyester

What is the temperature rating?

We display the comfort temperatures on all our sleeping bags, tested by an independent laboratory (AITEX) in compliance with European standard 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).We recommend using an insulation mattress to optimise your thermal comfort.

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

Mummy shape that is wide at the shoulders and more narrow at the feet to optimise thermal insulation (no heat loss) and compactness, while maintaining relative freedom of movement.Width at the shoulders 29 in (74 cm), height at the feet 14in (36 cm) in size L. 30/15in (78/38cm) in XL, 27.5/13.3in (70/34cm) in M

Weight and dimensions:

Size M: 4.4lbs (2000 g), user up to 5'5''(1.69m) tall. Bag dimensions: L 17.3in (44 cm) Ø 8.8in (22.5 cm). 17.5 litre volume.Size L: 4.6lbs (2100 g), user from 3'2'' to 5'5''(1m to 1.70m) tall. Bag dimensions: L 17.3 in Ø 9in (44 cm Ø 23.5 cm). 19.1 litre volume.Size XL: 5.3lbs (2400 g), user from 3'2'' to 6'5'' (1m to 2m) tall. Bag dimensions: L 17.3in Ø 9.6in(44 cm Ø 24.5 cm). Volume 20,7 L. Volume & dimensions can vary according to the pressure applied to the product.

Functions

Ergonomic hood with drawcord.Double collar for protection from the cold.A baffle along the zips prevents heat loss.Double-slider zips for optimal ventilation.The top of the sleeping bag can be opened with the two side zips.

Want to know more about the wadding?

We use 3 layer of 100% polyester wadding (70% recycled) of 115 g/sqm.The wadding is made from silicone-coated spiral fibres that make it highly compressible and highly durable. Despite its low thickness, it has high insulation properties thanks to the air trapped inside, and remains lightweight.It retains its warmth even when wet.

Compatibility

Can be twinned with all the Forclaz MT500 sleeping bag models.Can be twinned with the older models in the 2017 InchUltralight Inch and 2018 InchLight Inch ranges.

Product testing

All our sleeping bags undergo mechanical tests that test the performance and resistance of the sleeping bag to guarantee better sleep and recuperation (thermal resistance, resistance to abrasion, comfort, etc). We also carry out many tests in the field, in real conditions.

Storage instructions

You can easily store your bag by stuffing it loosely into its cover, feet section first. To keep it fluffed up & ensure good thermal performance, remove from its cover, extend, store it in a dry place.

Origin

Imported

Law label information

Size M, click here to see the product label
Size L, click here to see the product label
Size XL, click here to see the product label

 

Size Guide Visual

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