Mens Merino 150 Mountains Tee (Mustard/Navy)
Made from superfine 150gm Merino, this tee is your perfect partner whether you're heading out into the hills or to grab a coffee with friends.
Merino keeps you warm when it's cold and breathes well when it's warm, keeping you comfortable whatever the weather. It's also quick drying, naturally odour resistant and sustainable.
Join our flock!
- 150gm 18.5 micron Superfine 100% Merino wool
- Water-based print ISOBAA logo
- Drop tail hem for additional coverage
- Naturally soft, moisture wicking, odour resistant and breathable
- ISOBAA folded cuff label
- Easy care & quick drying
- Recycled packaging
- Weight (size M): 131g
- 100% Superfine Merino
- 100% Merino Wool
- 150gsm
- 18.5µm microns
Fabric weight: 150gsm
Fabric weight (gsm)
GSM means grams per square metre. Higher GSM usually means a thicker knit, more warmth, and better wind resistance.
Lower GSM usually feels lighter, dries faster, and is better for high output.
Fibre diameter: 18.5µm
Fibre diameter (microns)
Microns measure the thickness of each merino fibre.
Smaller microns usually feel softer against skin because the fibres bend more easily. Larger microns usually feel firmer and can be more rugged for outer layers.
| Fibre | Thickness |
|---|---|
| Ultra fine | 15µm |
| Super fine | 17.5µm |
| Fine | 20µm |
| Mid-weight | 22.5µm |
| Coarse | 25µm |
| Human hair | ~70µm |
Merino's natural odour resistance means a simple air between wears is almost always enough, and the less you wash it, the longer it lasts.
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| Dry |
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| Care |
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| Materials | 100% Merino Wool |
| Origin | Made in China in a factory independently audited to international standards for fair labour, safe working conditions, and responsible environmental practices, using ethically sourced, non-mulesed Merino wool from Australia |
| Care guide | Isobaa care guide |
- Free shipping (United Kingdom) on orders above £75.
- Orders usually ship within 2–3 days, though may take longer during sales. See the product page for estimated delivery.
- You can return your order within 100 days for a refund. Return shipping is not included. Items must be unworn with tags attached. Exchanges are not currently available.
- See our shipping & returns page for details.
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Proudly natural
Our Merino wool is ethically sourced from trusted Australian suppliers with a heritage dating back to 1857. We only use non-mulesed wool, working with partners who prioritise animal welfare and responsible land management.
Merino is a renewable, biodegradable fibre that naturally regulates temperature, manages moisture and resists odour, delivering reliable performance with a lighter environmental impact.
100% Merino Wool
Temperature regulating
Keeps you warm when cold, and cool when warm
Moisture management
Pulls sweat away and dries quickly
Odour resistant
Stays fresher for longer
Super soft
Feels smooth and gentle on skin
I love how breathable this tee is, whilst still providing enough warmth during a chilly morning activity. The fit is quite slim.
A nice t-shirt combining a body tight fit, that highlights your upper body but is still comfortable. I would definitely buy it again. It was good for intense snow hiking as well as for wearing it in an everyday situation.
They are on the small size, I would go up a size for the shoulders
Really nice and comfortable to run in
This comes up larger than the plain t-shirt also ordered. It had to be returned for smaller size which fits fine. Went from M to S
Very narrow shoulders on these, would also go up a size
Very nice and practical
Very comfy and lovely to wear. Happy customer.
This is a great T-Shirt to wear in hot weather, it really does cool you down. Its not that hard wearing as a fabric so if you need something to wear with a backpack, get a heavier weight product. Given how hard wearing nylon alternatives are you need to really love the planet a lot at this price for something not nearly as robust.
My son was delighted with them. I like the quality. Would recommend you.
Thank you for your review, Lynda!
We're so glad to hear that your son is enjoying the tops, and we appreciate your recommendation!
The Isobaa Team
Excellent shirt! Great fit, love it.
Thank you for the review, Joshua!
We're so pleased to hear that you like the shirt and that it fits well. We appreciate the positive feedback!
Best wishes,
The Isobaa Team
love the color and fabric. Though sized significantly smaller than other Isobaa Large size garments I wear, it still works for me and is my current favorite. I ordered another identical one as a back-up. It's a thin/lightweight fabric and prone to little wear-induced holes at belt buckle / button area of pants.
Thank you for taking the time to leave a review! It's wonderful to hear that you love the color and fabric of the tee - so much so that it's become your current favorite!
This product does have an 'Athletic fit', so we do often advise sizing up if you prefer the regular fit of some of our other products. It's good to hear the size still works well for you though!
With regards to durability, our team is always looking for ways to improve our products. In the case of superfine 150gm Merino, finding a balance between durability and performance can be challenging, but it's feedback such as yours that motivates us to strive for improvement.
If you ever have any more feedback or questions in the future, please feel free to reach out.
All the best,
The Isobaa Team
Mens Merino 150 Mountains Tee (Smoke)
Comfortable fit, very happy with purchase.
Thanks for the positive feedback, Graham! We're glad to hear that you're happy with your purchase and find our Merino T-Shirt comfortable. We appreciate your support and hope to see you again soon!
Kind regards,
The Isobaa Team
Great colour, design and fit . Good quality material
Good weight and fit. Comfortable too. Thanks
This Merino Tee is so comfy and soft feeling every time I put it on. The natural wicking properties really keep me feeling dry and at a constant temp all day, and they really do last without smelling, and I often manage more than one or two days wearing before it requires a wash?!) I thoroughly recommend these as every day tops as well as great walking layers! The durability is similar to many other synthetic tops I have used, but overall are much more useable and practical making them excellent value long term. I love these lots, and know you will too!! Look after it and it will more than look after you.
The colour is great - much admired. And I love the picture. The feel of the merino is nice on the skin and very light