Our 100% Australian Merino long sleeve crew top provides superior performance as your thermal layer undergarment for cold weather activities. Made from 100% natural Merino wool, it has the ability to efficiently regulate body heat by trapping warm air. Merino also absorbs perspiration away from your skin so you won't feel damp during activity. It is highly breathable, quick drying and resists odour and bacterial build up, keeping you feeling fresh. A close fit delivers next-to-skin comfort and the extra core warmth you seek.
Our 100% Australian Merino long sleeve crew top provides superior performance as your thermal layer undergarment for cold weather activities. Made from 100% natural Merino wool, it has the ability to efficiently regulate body heat by trapping warm air. Merino also absorbs perspiration away from your skin so you won't feel damp during activity. It is highly breathable, quick drying and resists odour and bacterial build up, keeping you feeling fresh. A close fit delivers next-to-skin comfort and the extra core warmth you seek.
in 2 offers
The lowest price for Mountain Designs Men's Merino Long Sleeve Top right now is $129.99 at Anaconda, compared across 2 retailers.
The all-time low was $64.99 on 26 June 2023 — today's price is 100% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 10 May 2026.
Mountain Designs Men's Merino Long Sleeve Top
Our 100% Australian Merino long sleeve crew top provides superior performance as your thermal layer undergarment for cold weather activities. Made from 100% natural Merino wool, it has the ability to efficiently regulate body heat by trapping warm air. Merino also absorbs perspiration away from your skin so you won't feel damp during activity. It is highly breathable, quick drying and resists odour and bacterial build up, keeping you feeling fresh. A close fit delivers next-to-skin comfort and the extra core warmth you seek.
Our 100% Australian Merino long sleeve crew top provides superior performance as your thermal layer undergarment for cold weather activities. Made from 100% natural Merino wool, it has the ability to efficiently regulate body heat by trapping warm air. Merino also absorbs perspiration away from your skin so you won't feel damp during activity. It is highly breathable, quick drying and resists odour and bacterial build up, keeping you feeling fresh. A close fit delivers next-to-skin comfort and the extra core warmth you seek.
Last updated at 10/05/2026 04:00:42
Mountain Designs Men's Merino Long Sleeve Thermal Top Navy Marle 2XL
Free delivery between 14–19 May
Men's Merino Long Sleeve Top
Delivery $10
originally posted on mountaindesigns.com
A great quality thermal top that fitted very well. The merino material was not itchy at all. The packaging said made using Australian merino wool which is great.
originally posted on mountaindesigns.com
Good fit, albeit slightly long in the sleeve, though this means the sleeves fit over a larger GPS watch without having an awkward interaction with the cuff. Good body fit and neckline comfort.
originally posted on anacondastores.com
I have used this now a couple of times for my camp/sleeping outfit. It is very light and compfy. It keeps me warm inside my sleeping bag overnight, and underneath a fleece whilst sat around the camp fire.The large fits me as a 181cm tall, 80kg man without being too long in the body or arms.
| Certifications | Woolmark |
Mountain Designs Men's Merino Long Sleeve Thermal Top Navy Marle 2XL
Free delivery between 14–19 May
Men's Merino Long Sleeve Top
Delivery $10
A great quality thermal top that fitted very well. The merino material was not itchy at all. The packaging said made using Australian merino wool which is great.
Good fit, albeit slightly long in the sleeve, though this means the sleeves fit over a larger GPS watch without having an awkward interaction with the cuff. Good body fit and neckline comfort.
I have used this now a couple of times for my camp/sleeping outfit. It is very light and compfy. It keeps me warm inside my sleeping bag overnight, and underneath a fleece whilst sat around the camp fire.The large fits me as a 181cm tall, 80kg man without being too long in the body or arms.
I’ve had thermals before, but not like this. You get what you pay. When it comes to thermals you cannot skimp. I’ve bought cheaper thermals that probably shouldn’t be called thermals. This is not the case with the Mountain Designs merino thermal. When it comes to being warm in extreme cold this is now my go to. I’ve bought two and these won’t be the last.
My parents needed a quality warm and lightweight under garment to keep them warm. This was perfect as ot provided the comfort and warmth without the itch. Can easily be layered which makes this ideal and versatile
Very warm. Great fit. Not itchy. Comfortable. Will buy again.
Unfortunately I am very disappointed!I received the item and removed from the box. Before wearing I put it in the washing machine to clean before wearing. After drying I put it on and I noticed a hole in the garment on the stomach area.I haven’t contacted prior to this as as now it’s washed I thought you would not accept a return and didn’t want to deal with the drama.This is a $130 garment and the quality control is pathetic.Hopefully you will read this and there is some sort of guarantee in the item and you can offer an exchange. I haven’t worn the Item since noticing the hole!
I just bought this men's merino top from Mountain Designs. Besides the fact that the quality is really lousy – cheap Chinese wool – it is much larger than specified in the size guide. I am around 99, the size guide said the small stopped at 96 so I bought the medium which apparently is 96-101, which it definitely is not. When I attempted to return it, I was told because it was a thermal garment worn close to the skin it could not be returned. Not good enough! Very upset. Won't buy from this outfit again.
I’ve purchased the Merino long sleeve top and as I’m writing this, I’m using it in Canada where the temperature is hovering at -20C and has dipped down to -45C with wind chill. The Merino is performing fantastically and I’m really happy with my choice of thermal top. I can recommend the product.
it seems to be well made. it is a little bit more scratchy than I expected from Merino, I hope that goes away with the first wash. Also i am surprised that 3XL was not as big as expected. This is always a problem in that 3xl is different in different countries. it still fits and is good for the purpose that i want i.e. to be worn as underwear.
| Certifications | Woolmark |
