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ioMerino Takes On 330KM Ultra

December 17, 2016

ioMerino Takes On 330KM Ultra

When you're planning on running one of the world's most extreme ultra marathons, it should come as no surprise that you're going to need high performing lightweight thermal layers. But with so many different brands on the market, how do you pick just one? The good news is, there's nothing saying you can only choose one brand. In fact, your kit will probably be made up of a number of products from various brands, all with different purposes.

Australian Trail Runner Sandy Suckling has taken on some of the most challenging ultra marathons in the world over the last few years and has trialled and tested many of the performance garments on the market. Going into the Tor Des Geants - a 330KM nonstop ultra marathon through the Italian Alps - Sandy knew she was going to need gear to take her through a wide range of temperatures and conditions. So for her, ioMerino thermals were must haves (Click here to read Sandy's versions of her Tor Des Geants journey).

For those of you who are interested, these were the ioMerino layers Sandy packed:

Here's what she has to say about them...

"Well, I must say, I don't have anything negative to say! When I first put it on, I thought the Altitude Longsleeve Top wouldn't be as comfortable because it was much lighter in feel and to look at, but I'll say it was as warm and also just as comfortable.

"After the first day when it was really hot, I put the top on that night and lived in it while putting layers on and off as needed, but I used it as my permanent first layer - just did the zip up and down if I was hot or cold.

"I love the neck warmer (necktube) - the feel, the stretchiness... it had many uses on my head, around my neck and sometimes around my wrist when I was wiping away sweat! You get to be creative out there in the Alps as the weather changes very quickly.

"The tights were comfortable. Love the stars! (Southern Cross). I explained those to quite a few people out there. I didn't have them on at the start as it was too hot, but as soon as the cool weather came in, I pulled them over the top of my other 3/4 leggings (which were mandatory or I would have had shorts on). Later on, I had only these tights on with my wet weather trousers and I kept warm even in the snow.

"I was 100% satisfied with the gear, it's without a doubt very, very comfortable".


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Fabric Guide

While Merino is an amazing natural fibre, not all Merino fabrics are created equal. At ioMerino, we make our own fabrics, using only the best quality fibres, and to very specific specifications that make the most of the natural benefits of Merino. All of them are 'Merino rich’. No cheap blends passed off as Merino. No cheaper scratchy fibres or synthetic substitutes to save money. No unethical production. And each fabric is made for a specific purpose. So if you see something with a small amount of elastase or nylon added, you can be sure it absolutely needs to be there to enhance the natural stretch and durability. 

It took every bit of our 140 years of experience in the wool industry to perfect our fabrics, but we think you’ll agree the end result was more than worth the effort.

Ethically Made. Ethically Sourced. Perfectly Natural. 


Altitude / Zodiac

Lightweight 170gsm 96% Australian Merino Wool with 4% elastane for extra stretch and comfort. A MicroMerino® Fabric. 


Ultra / Universal

Lightweight 160gsm 83% Australian Merino Wool blended with 12% nylon blended for extra durability and 5% Elastane for stretch and comfort.



Midweight 265gsm 96% Australian Merino Wool with 4% elastane for extra stretch and comfort. A MicroMerino® Fabric. 


Summerino - Keystone 

Ultra Lightweight 150gsm 100% Australian Merino Wool. A MicroMerino® Fabric. 


Merino Compression

Midweight 280gsm 76% Australian Merino Wool, 15% Elastane and 9% Nylon for extra stretch and compression properties.



Ultra lightweight ribbed 155gsm 100% Australian Merino Wool. A MicroMerino®  Fabric. 



Outer Weight 280gsm Fleece 100% Australian Merino Wool. MicroMerino®  Fabric. 



Midweight 260gsm 100% Australian Merino Wool. A MicroMerino®  Fabric. 



Midweight 260gsm waffle texture 100% Australian Merino Wool. A MicroMerino®  Fabric. 


Stride / Glacier / Velocity

Midweight 255gsm French Terry 100% Australian Merino Wool. A MicroMerino®  Fabric. 


Natural Merino Wool benefits: