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Altitude 'Mongrel'

Fabric Guide Size Guide

Men's Size Chart

Click here to learn more about our different fits and how to choose the size that's right for you.

We strive to make all our products true to size. The sizing chart below is not garment specific, but hopefully, it will give you some guidance when choosing your size. In instances where you’re perhaps in between two sizes try choosing the smaller size.

For further assistance with sizing, contact us here.

 

 

S

M

L

XL

XXL

Waist

Inch

28-30

32-34

36-38

40-42

44-46+

 

cm

71-76 

81-86

91-96

101-108

111-116+

Chest

Inch

34-36

38-40

42-44

46-48

50+

 

cm

86-91

96-101

106-111

116-121

127+

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Dark Blue Marle
Charcoal
Blue
S
M
L
XL
XXL

Sure you could buy one of our best-selling Altitude Base Layers thermal in a regular colour like black or grey, but if you’re looking to add a little extra fun to your next adventure, the Men’s Altitude ‘Mongrel’ is for you! Don’t let the name fool you, this is one seriously good merino thermal Base Layer. 

Behind its colourful exterior, the Limited Edition Mongrel delivers the soft-touch comfort you’ve come to expect from our other Altitude Base Layers, as well as natural breathability, temperature regulation, moisture wicking and odour-resistance.

This base layer has flatlock stitching, raglan sleeves and is tag free to help eliminate chafe and maximize comfort. The drop back hem is designed for tucking into your outer layers, or sitting over bottom layers with no exposed cold spots when you're on the go. The thumb loops keep your hands warm and stop your sleeves riding and bunching under your arms when layering. This Base Layer Thermal top is the perfect combination of performance, warmth and comfort with a little bit of fun thrown in for good measure.  

Designed to be worn as a body tight ‘contact fit’ layer. Model wears size medium.

Perfect for snow sports, cycling and running. 

Made with 170gsm lightweight 96% superfine Australian Merino and 4% Elastane MicroMerino® - for an easy four-way stretch and freedom of movement.

Ultra Trail Australia mandatory gear approved thermals.

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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.

 

Chaser

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.

 

Vital

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

 

Summit

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

 

Pinnacle

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

 

Elemental 

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: