Product Colors and Sizes
- Black Friday product
- New Deal product
- Cyber Monday product
- Clearance product
- Deal product
- Best Seller product
- Ecodesign product
- New product
- Staff Pick product
- In The News product
- Innovation product
- product
- Black Friday product
- New Deal product
- Cyber Monday product
- Clearance product
- Deal product
- Best Seller product
- Ecodesign product
- New product
- Staff Pick product
- In The News product
- Innovation product
- product
Forclaz Men's MT500 Long-sleeve 100% Merino Wool T-shirt
Long-sleeved base layer made from 100% warm and breathable Merino wool. Take it on all your mountain trips!
Free shipping over $49
Free returns
Free pickup
San Francisco, 735 Market St. Options
Select an available color and size to see options.
Product Features

Odor control
The component limits perspiration odours. Laboratory test ISO 17299-3
Warmth
100% Merino wool t-shirt (190 g/sqm) for additional warmth
Moisture wicking
The high absorption capacity of the wool removes the feeling of dampness
Freedom of movement
The natural stretch of wool offers unrestricted movement
Softness
Ultra-fine (18.5 microns) Merino wool. It is soft and pleasant to wear
Weight
Just 210 g in size L. Fabric 190 g/m²
Questions & Answers
There are no questions
Be the first to post a question
Product Customer Reviews

Strong ability to suppress odor
Any time!
Comfortable and well cut. Nice in black. Perfect for yoga in winter.
Alright
Great T-shirt at a good price
Fits well and keeps what it promises
I use these shirts 6 months a year, 9 hours a day. I have 4 spare pieces, I wash them in the evening and put them on in the morning to dry them. Wash with Nikwax Tech Wash or Wool Wash - depending on what I have in my apartment. The oldest one is slightly pilled but still looks good. Above 22 degrees Celsius it is too hot in this T-shirt. I'm very happy. I recommend
"Day to day" wear without problems
X
X
Bought last year but didn't have the chance to test it, I finally put it on 2 days ago for the first time. Unfortunately this afternoon I noticed a hole in my chest when I looked in the mirror. I have no memory of a major tear, I probably just rubbed it with something, really nothing notable. I think that 100% wool is much too fragile, all my other decathlon t-shirts 70-90% wool / 10-30% other that I have had for years are perfect and do not have this problem
Nice T-shirt, although it looks pathetic on the hanger in the store. Just wash it in wool liquid so that it becomes soft and fits nicely to the body without being too tight. Good thermal insulation, absorbs odors very well. I recommend
Not yet used on several consecutive days! very pleasant to wear!
All good, just Merino.
Good product that I would like to repurchase…. But €5 increase (>10%) compared to last winter…
Size Guide

Additional Product Information
Composition
Main fabric: 100.0% Wool
What are our commitments in favour of animal welfare?
We only 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) to guarantee respect for animal welfare.This means we have full traceability, which allows us to guarantee the origin of the wool. More information: visit our website
Odour control
The component limits perspiration odours. This Merino wool t-shirt can therefore be worn several days in a row and means you can take less clothes when trekking making for a lighter backpack!
Reduction of the freezing effect
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. Conversely, a synthetic material lets the body temperature go back down again faster.
Tip before use
For a softer feel, wash your t-shirt before first use.
How to wash your t-shirt made with merino wool?
We recommend that you machine wash your MT500 MERINO wool T-shirt at 30°C on a normal cycle, preferably with liquid detergent. Dry flat and NEVER tumble dry unless you want it to shrink by one or two sizes!For more information: https://support.decathlon.co.uk/how-to-maintain-a-merino-wool-garment
Product testing
We've tested the material in a climate-controlled chamber in order to determine its performance level. The results highlighted the heat-regulation properties of wool. Indeed, after making a physical effort and sweating a lot, wool helps to maintain a consistent body temperature while synthetic fabrics cool down faster. The unpleasant cooling or freezing effect is therefore reduced by the merino wool.
Origin
Imported
Superior quality. Unbeatable prices.
For 40 years, Decathlon has delivered the best value in the retail sports industry by offering high-quality, sustainable and cost-effective products.
Decathlon makes the difference
-
Research and development
delivers high-quality cost-effective products
-
State-of-the-art production processes
minimize manufacturing costs
-
Optimized supply chain
reduces retail prices
-
Minimal retail footprint
lowers overhead and indirect costs

Forclaz Men's MT500 Long-sleeve 100% Merino Wool T-shirt
Your location: City, ST
Please enter a valid city with state or zipcode. Example: San Francisco, CA or 94101
Order online for
Heavy products return policy
If you return a product you will receive a refund for the purchase price plus any applicable sales taxes, less any non-refundable charges.
Decathlon will cover all shipping costs associated with your return except for items excluded from our return policy such as bikes, basketball hoops, snowboards, surfboards, tents, and other larger / heavier items.
Return costs for heavy products:
Weight Thresholds | Shipping within California | Shipping outside of California |
---|---|---|
> 9 lbs | $20.00 | $25.00 |
> 30 lbs | $50.00 | $65.00 |
> 100 lbs | $100.00 | $125.00 |
> 200 lbs | $200.00 | $230.00 |
If you return a product at any of our store locations, we will gladly help you find the best alternative product or refund you on the spot.
