FORCLAZ Ref. 8492328 2555917

Men’s Waterproof Jacket – 20,000 mm – taped seams - MT500

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Color: BLUE
  • BLUE
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Our team of mountain trekking enthusiasts has designed this jacket for walking in cold or windy weather while remaining completely protected


Compact design

Folds into its hood and stays compressed with a hook.

Freedom of movement

Preformed elbows, adjustable hood, pockets accessible with a backpack

Abrasion resistance

Use of a robust fabric (147 g/sqm; 70 denier) on the areas needing protection


The hybrid structure reduces the weight to 530 g in size L.


Waterproof rating of 20,000 mm of water (Schmerber rating)


2 hand pockets (with a mobile phone compartment in the right one)


RET < 8 for the lightest fabric; RET < 12 for the most resistant fabric


Watertight underarm two-way zip.


Information and equipment summary and features

Main material: 100% polyamide

Membrane: 100% Teflon

Heat-sealed seams

Type of material: hardshell

Thickness of the material: 70 / 20 denier

Technology: 3-layer laminated fabric

Material treatment: fluorine free

Material properties: windproof, waterproof, breathable

Fastening: full double slider front zip

Hood: with drawcord

Ventilation: underarm zips

Pockets: 2 front zipped pockets + phone compartment.

Weight: 530 g

Hybrid design for greater durability and freedom of movement

Combination of a durable and protective fabric (147g/m2; 70 denier) on areas to be protected from friction (shoulders, outer arms, front and back hem) and a light and breathable fabric (109 g/m2); 20 denier) elsewhere.

Back 2 cm longer than the front to ensure maximum protection and to cover the second thermal layer underneath if necessary.

With or without hood

With Hood,

Completely adjustable hood height and depth.

Semi-rigid visor with integrated mesh headband to provide a high level of protection and support.

The high stand-up collar effectively protects the lower face.

2 pockets

2 hand pockets that remain accessible even when carrying a backpack and a YKK AquaGuard waterproof zip.

There is a mesh mobile phone pocket inside the right pocket.

Front zip

Features a waterproof YKK AquaGuard zip along the entire length with an inside flap providing protection from the wind. Folded underflap on the hem to make zip fastening easier.

Double slider lets you open the jacket from the bottom.

Soft fabric flap at the top of the collar to protect the chin.


Double tightening with an elastic cord and toggle at the hem.

Velcro-adjustable sleeves covering the wrist.

The wrist fob makes it easy to wear gloves with the jacket.

Water resistance of the fabric

The water resistance of a fabric, ensured by a coating or a membrane, is measured in Schmerber or mm of water (pressure exerted by a column of water).The higher this number, the more waterproof the fabric.

This jacket has 2 waterproof components (norm JIS L1092):

-The main component is very waterproof and resists to 20,000 mm of water (Schmerber rating) before washing

-The secondary component, at chest level, inside the sleeves, resistant to 20,000 mm of water (Schmerber rating) before washing

Water resistance of the jacket

A jacket’s water resistance is not only determined by its components: The technique that is used to assemble the different parts is also an evaluation criterion.

Whether it is ironed or sewn and then made waterproof, the overall water resistance of your jacket is measured using a shower test developed by Decathlon, which simulates rainfall of different intensities.

So, this MT500 waterproof jacket protects you from a rainstorm in the mountains, that is 450 litres of water /m²/h for 4 hours.

Fabric breathability

To find out if a fabric is breathable, we test its evaporative resistance RET (ISO 11092 standard). The lower the fabric's resistance, the more water vapour evaporates, and the higher the fabric's breathability.

It is considered that if:

RET < 9 = very breathable fabric

9 < RET < 12 = breathable fabric.

The breathability qualities of this jacket:

> Most durable fabric: RET < 12 (or 3,621 g/m²/24h, standard JIS1099A)

>Lightest fabric: RET < 8 (or 2,972 g/m²/24h, standard JIS1099A)

Information about water-repellent properties and how to reactivate them.

How well the product leaves water on the surface.As a result, the garment does not soak up water and stays light.

This prevents your product from soaking up water, and keeps it lightweight and breathable.The fabric is made water-repellent by treating its outer surface, however this property may deteriorate with use.

The water-repellent properties can be reactivated by warming the jacket in a tumble dryer on a low heat for 10 min.

You can also use the FORCLAZ re-waterproofing spray (ref 855490)



Outer fabric: 100.0% Polyester; Main fabric: 100.0% Polyamide; Yoke: 100.0% Polyamide; Pocket: 6.0% Elastane, 94.0% Polyester; Coating: 100.0% Polyurethane


Test product

This jacket has been tested and validated in the field in real-life conditions. It was worn for 5 weeks by several people who undertook the Grande Traversée des Alpes (GTA) in late spring 2017.


2 Years