Women’s Merino Wool Short-sleeved Trekking T-Shirt MT500

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Travel light on the trails with this Merino wool t-shirt (89%). You will like the quick drying with its 160 g/sqm weight.

Hit the trails in this light women's merino wool t-shirt with quick drying mesh fabric under the arms for more breathability when things get tough. Trek in comfort and style in this wool t-shirt.

Color: carbon grey / black

  • UK8 / EU S undefined
  • UK10 / EU M undefined
  • UK12 - 14 / EU L undefined
  • UK16-18 / EU XL undefined
  • UK20-22 / EU 2XL undefined

Our services :

  • Free delivery for Decathlon brands orders above $399
  • All Decathlon products are eligible for lifetime return

Products benefits

Odour control

The component limits perspiration odours. Laboratory test ISO 17299-3


Mesh merino wool insert under the arms and on the back. 115 g/sqm

Abrasion resistance

For greater resistance, the wool yarn is surrounded with polyamide thread.

Moisture management

The high absorption capacity of the wool removes the feeling of dampness

Freedom of movement

The naturally-occurring stretch properties of wool don't restrict your movements


Superfine merino wool (18.5 microns), very soft and pleasant to wear


This T-Shirt weighs 145 g in size M

Technical information

How does the wool in the MT500 t-shirt reduce bad odours?

Thanks to its excellent capacity to absorb moisture, wool reduces bad odours. Indeed, merino wool not only absorbs the water contained in perspiration, it also absorbs the exhalation of perspiration odours. So you can wear your T-shirt for several days in a row, which means you can take fewer clothes on a trek!

How have we improved the durability of ourMT500 trekking t-shirt?

Use of a BETA-SPUN yarn structure in which the polyamide threads coat the Merino wool fibres and protect them from rubbing and cuts without affecting their technical properties.

How does the MT500 Merino wool t-shirt make perspiration evaporate?

When you make a physical effort and sweat heavily, the merino wool easily traps the insulating warm air and can absorb up to 35% of its weight in moisture without making you feel damp, which is appreciable in cool weather. In hot, dry weather, the evaporation of the water in the wool absorbs energy, which cools the body slightly at the same time.

Where does the Merino wool that is used in the MT500 Merino wool t-shirt come from?

We use wool from merino sheep bred on farms in South Africa that do not practise mulesing.
We decided to build a partnership with a group of breeders (Konsortium Merino) so that we can guarantee that the sheep, from which we get the wool for our products, have good living and shearing conditions.
This means we have traceability, which allows us to guarantee the origin of the wool.

How do I wash my MT500 Merino wool t-shirt?

We recommend that you machine wash your Merino wool t-shirt at 30° on a normal cycle, preferably with liquid detergent. Always dry flat and NEVER tumble-dry unless you want to end up with a doll-sized merino T-shirt! You can find an article on looking after merino wool clothing on the Forclaz website.

Need a final word of advice before using it?

To make the component feel softer, don't hesitate to wash your T-shirt before first use.


2 years

Product concept & technology

Product Composition

Main fabric 89% Wool, 11% Polyamide Yoke 66% Wool, 24% Polyamide, 10% Elastane


The MT500 Merino wool t-shirt has been tested in the Northern Alps, both for mountain trekking and other outdoor sports. These tests enabled us to validate the product in use.

Maintenance advice

Machine wash - 30° max - normal

Do not bleach

Do not tumble dry

Do not iron

Do not dry-clean

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Questions & Answers