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Simond Men's Mountain Backpacking Merino Wool Boxer Shorts MT500
Looking for a comfortable and durable base layer? Here’s the solution with these boxers containing reinforced merino wool for superior durability.
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San Francisco, 735 Market St. Options
Select an available color and size to see options.
About this item:
- Durable and Breathable Merino Wool
- Moisture wicking: Significant absorption capacity
- Naturally flexible materials for comfort and freedom of movement
- Weight: 2.8 oz in Size L
Product Features

Softness
Ultra-fine (18.5 microns) Merino wool. It is soft and pleasant to wear
Moisture wicking
The high absorption capacity of the wool removes the feeling of dampness
Odor control
The component limits perspiration odours. Laboratory test ISO 17299-3
Abrasion resistant
Wool fibre surrounded by polyamide yarn for protection
Freedom of movement
We have added 4% elastane for more stretch and support
Breathability
Merino wool is breathable, stays warm in winter & wicks away moisture in summer
Weight
These boxers weigh only about 80g in size L. 190 g/sqm fabric
Questions & Answers
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Product Customer Reviews
so bought in may must of used them 15 times before the under crotch has disintegrated and not useable
These are my go-to undies for getting active. Decent price, last reasonably well, and very comfy all day, preventing chafing and odour from sweating. Infinitley better than cotton for me.
The online description states xl 37” waist but the attached label says 105cm which is 41”?
I used several pairs of these boxers during my Everest base camp trek and they were faultless. Super piece of kit during the long, hot and cold trekking activity. So good that I’ve ordered some more for my trip to the Arctic in December.
Wore this while going up the Yorkshire 3 peaks, felt like cloud supporting me, zero chaffing and very comfortable.
I bought these for hiking and found them to be extremely comfortable, a perfect fit and great at keeping moisture away from the skin. Ordering was extremely easy as what collection from my local store. Thoroughly recommend.
Great value merino
These are designed to be closer fitting than men's underwear should be. But additionally the sizing is a mess. I wear 32" waist trousers quite comfortably but the medium size in these pants is far too tight and uncomfortably close fitting. Size Large has a waist band measuring 14 1/2 " across and requires a forceful stretch to attain 16" so not even the large size quite attain the 32" medium size claimed. What's going on here?
Fab. Light, soft and very comfortable at a great price..
For the price totally excellent and just as good as the top brands
Really comfy, great price
I bought a black pair in January 2022. I wear them three or four times a week when I go on walks (less than 5 km). The gusset have completed worn away and there are large holes!! I had to bin them. The wool boxer shorts are not fit for purpose. Do not buy them. I've lost my receipt so I assume I cannot ask for a refund (as it's still within the 2 year warranty period).
Very pleased with this purchase especially after a 6 hour hike. Merino pants offered plenty comfort & dryness on a hot day.
Super comfortable and soft. It almost feels like a swimsuit. If they were cheaper, I would only have briefs like these.
a fantastic piece to try... you don't find a product like this on the market very often
Size Guide

Additional Product Information
Composition
Main fabric: 86.0% Wool, 4.0% Elastane, 10.0% Polyamide
Sizing and fit
These boxers have a fitted cut for enhanced moisture transfer to the outside of the fabric.
How have we reinforced the durability of our merino wool boxer shorts?
We have used a BETA-SPUN yarn structure in which the polyamide threads coat the Merino wool fibres and protect them from rubbing and breaking without affecting their properties.
Tip before use
To make the component feel softer, don't hesitate to wash your boxers before first use.
How to wash your merino wool boxers
We recommend that you machine wash your Trek 500 Merino boxers 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
These boxers have been tested and validated in the field in real-life conditions. They were worn for 5 weeks in spring 2019 by several people who went trekking in the Canary Islands for 2 weeks, followed by 3 weeks on the GR10 route in the Pyrenees.
Origin
Imported

Simond Men's Mountain Backpacking Merino Wool Boxer Shorts MT500
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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.
