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Altitude Zip - Ultra Trail Australia Edition

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+

Tracksuit Pants 

Total outside leg length including waist band. Model height 6'2 , wearing a size medium. 

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
Length  inch 41.3 41.7 42.3 42.5 43.1
cm 105 106 107.5 108.5 109.5

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Slate Marle
XS
S
M
L
XL
XXL

Ultra Trail Australia mandatory gear approved thermal long sleeve top.  

The Men’s Altitude Zip Base Layer thermal takes natural temperature regulation to a whole new level. Designed to take you through a wide wide range of temperatures without overheating. Sleeves up, zip down when it’s warmer or full sun; zip up, sleeves down, thumb loops on when the temperature drops and you run into shade. You can put it on late afternoon when it starts to really cool down and be comfortable well into the night, rather than adding an extra layer later in the evening. 

This best seller has flat lock stitching, raglan sleeves and is tag free which eliminates chafe and maximises comfort. The high collar adds extra warmth around your neck and the thumb loops keep your hands warm. The fabric is breathable and moisture wicking to keep you cool and dry, odour resistant, super smooth and soft, and feels like a second skin. This top is ultra lightweight and fold up really small in your pack (and will even fit into a zip lock sandwich bag!). 

This Base Layer Thermal top is the perfect combination of performance, warmth and comfort.  

Designed to be worn as a body tight ‘contact fit’ layer. 

Model wears size medium.

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

Worldwide express shipping on all orders.

All orders are processed in Australian Dollars

DELIVERY TIMES: 

All UTA printed items are print to order. Please allow extra shipping time. 

Australian Orders 3 - 8 business days (Star Track, Toll Ipec and Express Post)

International Orders 5 - 11 business days. (DHL)

SHIPPING COSTS:

Australia and New Zealand - Free shipping on all orders greater than $100 AUD. $10 AUD for all other orders. 

USA - Free shipping on all orders greater than $200 AUD. $15 AUD for all other orders. 

Canada, Europe and UK - Free shipping on all orders greater than $250 AUD. $25 AUD for all other orders. 

Asia - Free shipping on all orders greater than $200 AUD. $20 AUD for all other orders. 





Customer Reviews

Based on 18 reviews
94%
(17)
6%
(1)
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N
N.
Amazing

I just love the Altitude top. Today I went to Mt Macedon and did 17km of trail running. It was near freezing and threatening snow, with a light drizzle. The Altitude top did an amazing job. It allows you to start warm and then when you heat up it keeps you at a steady level of warmth. I love putting it on and feeling the wool against my skin. It is my "go to" top to stay warm, in any conditions.

S
S.
SUPER COMFY AND SUPER VERSATILE

When it’s slightly milder I’ll go the Altitude T, but during Winter I’m a bit soft so will take the warmth of having a sleeve.The thumb loops help keep my hands warm if I’m going sans-gloves, and although the crew version of this top is awesome, I love being able to zip up or zip down as I get warmer or cooler. (I’ll also whack this one in my pack and pop it on over an Altitude T if it gets colder when I’m out and about.)

A
A.M.
AWESOME

When my paddle turned into an "adventure" and I was still going in the dark in torrential rain with no jacket on - this thermal saved me from hypothermia - and it was really comfortable to paddle in - thanks!

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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: