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Hiking Socks

Fabric Guide Size Guide

Accessories Size Chart


All sizes are given in US Sizing 

Men's Women's
S 4 - 6 5.5 - 7.5
7 - 10 8.5 - 11.5
L 11 - 14 12 - 15.5

Arm warmers

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
31 - 32 cm 48 cm
L 33 cm + 49.5 cm


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 

Newton Gloves:

S 16.5 cm
18.5 cm 
L 20.5 cm

Skull Cap

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.

or make 4 interest-free payments of $10.00 fortnightly with More info

Dark Denim

Our Merino Wool Hiking Socks are our softest and most comfortable socks yet. They're silky smooth with extra cushioning which makes them perfect for hiking.

The unique Merino-rich blend is specially formulated for blister-prevention and will keep your feet feeling comfortable, no matter how long you’re out on the trails, and through all sorts of weather - even if they get wet.

The temperature regulating and moisture wicking benefits help keep your feet warm and comfortable without overheating, and their odour resistant properties will be something you, and those around you, will appreciate as well. 

Mid-weight, mid-calf length, unisex style.

Size Guide.


Trail Running

Mountain Bike Riding


91% Australian Merino wool

8% Polyamide

1% Elastane.



Customer Reviews

Based on 21 reviews
alan davis (Adelaide, AU)
Socks are socks are socks

Thought I'd try a pair of these socks having recently been converted to the IOMerino brand. Used them on a week long hike on the Heysen Trail. Verdict? Loved them. Comfortable and best of all my feet don't pong at night. A happy chappy.

zoe.martin83@gmail.com (Orange, AU)
Fantastic hiking socks

Wore these for 7 days straight whilst hiking and by day 7 they still hardly had a smell to them. They didn't stiffen up from foot sweat because I had none. These socks allow your feet to breathe whilst keeping them blister free. I love these socks so much that I've just ordered another pair.

michael schaefer (Adelaide, AU)
Absolute gold

The best socks I have bought. Comfortable in all types of shoes

Tony R (Point Cook, AU)
Tradesmen rejoice

Perfect for steel cap boots

Verna (Adelaide, AU)
My toes rejoice!

I suspect I've tried dozens of different types of socks over the years. Most fail because they want to wriggle their way into my shoes, they go into holes far too readily, they stink within a day, they irritate my delicate skin, they constrict blood flow, they take a year to dry, or they are just plain uncomfortable. But ioMerino hiking socks have none of these problems. They are simply THE BEST socks ever. I've gradually chucked out all competitors and now I only buy these. I wear them all year round for any activity - and I wear them until they wear out then I put them in my compost bin. On a recent camping trip I forgot to pack socks and only had the ones I travelled in. After 5 days of frost-washes they were still pretty fresh. Remarkable. As a bonus, ioMerino's customer service deserves a gold star, too.

Adrian T (Melbourne, AU)
Feet are feeling great

The socks are very comfortable and still feel good after a day walking. Easy to care for when travelling and dry fast. A pleasure wearing them. My feet love them.


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 - Celsius 

Made from 45% ultra fine MERINO (Ultra Lightweight 150gsm), 45% natural TENCEL (made from sustainably grown wood fiber), and 10% nylon for extra durability. 


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: