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Altitude Crew Neck

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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Black
Black/ Green Stitch
XS
S
M
L
XL
XXL

The Men's Altitude Crew Neck Base Layer is the perfect ‘go to’ thermal layer for just about any adventure and our all-time best seller.  It’s the perfect thermal layer for core warmth when you’re layering up, yet versatile enough to be worn on its own in milder conditions.

Tag-free, flatlock stitching and raglan sleeves help eliminate chafe and maximise comfort, and the drop back hem 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 top is the perfect combination of performance, warmth and comfort.  

Ultra Trail Australia mandatory gear approved thermals.

Snow sports

Cycling 

Running

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

Model wears size large.

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

170gsm lightweight

96% superfine Australian Merino

4% Elastane MicroMerino® - for an easy all-way stretch.

Worldwide express shipping on all orders.

All orders are processed in Australian Dollars

Delivery times: 

Australian Orders 1 - 5 business days (Star Track, Toll Ipec and Express Post)

International Orders 2 - 8 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 10 reviews
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J
J.C.
Great for cycling in the cold

I wear my Altitude Crew as a base layer biking in cold New England winter weather. Keeps me warm, wicks sweat away and when I'm riding I just forget about it, which is the best thing I can say about a base layer. I'm comfortable, warm and not sweaty. The quality of the workmanship is excellent, and the thingies that fit around my thumb keep the sleeves pulled down over my wrists and inside my gloves so my wrists stay warm. Also, the sleeves are quite long, which is ideal for cyclists.

R
R.D.
It delivers

It's just as good as promised. It's warm when used as a baselayer, even in subzero temperatures, and I use it as a normal Tee when the weather is nice and it keeps me cool. It's as light as it gets, I recommend. Will probably order others some time.

J
J.
BEST VALUE & QUALITY MERINO YOU CAN FIND.

Hi,, I have owned Merino years ago, then went for expensive synthetic, big mistake, now with a lot of brands of expensive Merino available its a difficult choice to get quality, comfort & value? I choose
IO-Merino after extensive research and I could not be happier & more satisfied with their products REALLY GREAT QUALITY clothing at a respectable price. Thank you so much IO-MERINO.

JOIN THE CLUB

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: