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All sizes are given in US Sizing
| Men's | Women's | |
| S | 4 - 6 | 5.5 - 7.5 |
| M | 7 - 10 | 8.5 - 11.5 |
| L | 11 - 14 | 12 - 15.5 |
Measurement given for bicep width and arm warmer length. Measure around the fullest part of your upper arm in a relaxed position.
Use the chart below to determine your size. If you’re between two sizes, order the smaller size for a tighter fit or the larger size for a looser fit.
Approximate measurements only.
| Bicep | Arm Warmer Length | |
| XS | 27 - 28 cm | 45 cm |
| S | 29 - 30 cm | 46.5 cm |
| M | 31 - 32 cm | 48 cm |
| L | 33 cm + | 49.5 cm |
Gloves
Hand Length - Measure from the top of your middle finger to the base of your hand.
Use the chart below to determine your size. If you’re between two sizes, order the smaller size for a tighter fit or the larger size for a looser fit.
Chaser Gloves:
| S/M | 16.5 cm |
| L/XL | 18.5 cm |
Pace Gloves:
| S | 16.5 cm |
| M | 18.5 cm |
| L | 20.5 cm |
To measure your head circumference, take a sewing measuring tape and wrap around your head so that the measuring tape winds just above the ears, in the middle of your forehead and in the centre back of your head.
Use the chart below to determine your size. If you’re between two sizes, order the smaller size for a tighter fit or the larger size for a looser fit. Approximate measurements only.
| Head circumference | |
| S/M | 50-60 cm |
| M/L | 60-70 cm |
For further assistance with sizing, contact us here.
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I received a pair of these socks from the Rockleigh 105 gravel ride. After a few weeks I found myself looking for these, rather than others, to wear for a ride or for work.
Comfortable as, so I bought a few more pair to wear for work too.
I love the mullet trail socks. I wore them for the first time completing a slow 14 km trail run through 11 creek crossings. The socks quickly wicked away the water and worked in synergy with my trail sneakers, leaving my feet comfortable and cool for the duration of the run and the commute home.
These new trail socks are great for running the Tassie trails. Good looking and super comfortable.
I have A LOT of socks and these are now my favorite winter cycling sock!
I’ve worn these cycling in the cold and they don’t only look pretty rad, they also keep your footsies toasty warm
I also wanted to use them trail running but for that I prefer a tighter fit. I wear a size 40 shoe and I will go for a size small for my next pair instead of medium.
I did nevertheless use them for some hiking in Austria. I thought I’d only wear them for half a day as it was quite warm, but my feet did not feel too hot by midday so I left them on. My feet had no problems whatsoever, so I know they will be awesome for trail running as well. I really would love a mid-length sock like that!
New Mullet socks are the most comfortable trail socks I have found. Heaps of padding for the long trails keeping the feet nice and toasty on the winter runs. The ankle cover is perfect to stop all kinds of stuff getting into the shoes. My new go to socks for trail runs. Awesome stuff from IoMerino
Bliss for the feet. Reluctant to wear these out on the trails as they make such comfy van/house socks but I know with being wool they will stand the test of time. Wore them in a crucial part of a long run where there was multiple wet feet stream crossing followed by steep and rocky terrain and these beauties kept my feet warm and in great condition. Ladies probably best to size down for a more firmer fit.
learn More Got questions about what item will fit you best or which fabric is most suitable for your adventures? We’ve developed a quick guide to help make choosing the perfect layer easy.
read more review here “ I can honestly say your products are at least 25% better than (that other brand). And I’m a Kiwi. Not to mentioned feeling better about Fiji production and the fact that your cuts fit me better. The weaves are also finer and feel softer. Good on you and please share this with your team. I love supporting you! Heaps good.”
Find out more 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.
Lightweight 170gsm 96% Australian Merino Wool with 4% elastane for extra stretch and comfort. A MicroMerino® Fabric.
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.
Made from 45% ultra fine MERINO (Ultra Lightweight 150gsm), 45% natural TENCEL (made from sustainably grown wood fiber), and 10% nylon for extra durability.
Ultra Lightweight 150gsm 100% Australian Merino Wool. A MicroMerino® Fabric.
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. A MicroMerino® Fabric.
Midweight 260gsm 100% Australian Merino Wool. A MicroMerino® Fabric.
Midweight 260gsm waffle texture 100% Australian Merino Wool. A MicroMerino® Fabric.
Midweight 255gsm French Terry 100% Australian Merino Wool. A MicroMerino® Fabric.
