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Altitude Crew

Fabric Guide Size Guide

Women'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.

 

Women's Size Conversion Chart

 

XS

S

M

L

XL

Australian

6-8

8-10

10-12

12-14

14-16

US

2-4

4-6

6-8

8-10

10-12

European

34-36

36-38

38- 40

40-42

42-44

 

Contact fit - Altitude Range

Please keep in mind the Altitude Range is design to fit tightly - 'contact fit' 

    XS S M L XL XXL
Bust inch 30-32 32-34 34-37 37–40 40–42 42 - 45
cm  76 - 82 82 -88  88-94  94-100  100 - 107 108 - 114
Hips inch 34-36 36-38 38-40 40-42 42-44 44 - 47
cm 84 -90 90-96 70-76 76-82 82-89 111 - 119
Waist inch 24-26 26–28 28-30 30-32 32-35 35-38
cm  58 -64  64 -70  70- 76 76- 82 82- 89 89-96

 

 

Regular and Loose fit - Universal and Ultra Range 

    XS S M L XL XXL
Bust  inch 29.5–32.5 32.5–35.5 35.5–38 38–41 41–44.5 44.5–48.5
cm 75-82.5 82.5-90 90-96.5 96.5-104 104-113 113-123
Hips inch 33–35.5 35.5–38.5 38.5–41 41–44 44–47 47–50
cm 83.5-90 90-97.5 97.5-104 104 -111.5 111.5-119.5 119-127
Waist inch 23.5–26 26–29 29–31.5 31.5–34.5 34.5–38.5 38.5–42.5
cm  60-66 66-73.5 73.5-80 80-87.5 87.5-94.5 97.5-108

 

Women's Stride Tracksuit pants

Measurements include the ankle cuff. Please keep in mind the style of these pants is slightly drop crotch. 

Outside leg measurement includes waist band.

Measurements in cm. 

 

XS

S

M

L

XL

Outside Leg

94.3

96.1

97.9

99.7

101.5

Inside Leg

66.4

67.6

68.8

70

71.2

 

Women's Compression Leggings 

Inside leg measurements.

Model height 5'10 wearing a size small. 

Measurements in cm. 

 

XS

S

M

L

XL

XXL

Inside Leg

59.5

62

64.5

67

69.5

72.8

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Black
Port Marle
Slate Marle
Boysenberry Marle
Dark Blue Marle
Blush Marle
XS
S
M
L
XL
XXL

The Women'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. The drop back hem and extra body length is designed for tucking into your outer layers. Thumb loops keep your hands warm and stop your sleeves riding up when layering. 

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

Ultra Trail Australia mandatory gear approved thermals.

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

Drop back hem and extra length in body. 

Thumb loops 

True to size. Model is 5'10" and wears size small.

Size Guide. Contact Fit.

Snow sports

Cycling

Running

170gsm lightweight

96% superfine Australian Merino

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

MicroMerino®  Fabric. 

BENEFITS OF MERINO

LIGHTWEIGHT
THERMO REGULATING
SUPER SOFT & COMFORTABLE
BREATHABLE
MOISTURE WICKING
ODOUR RESISTANT
NATURAL
ETHICALLY MADE

Customer Reviews

Based on 16 reviews
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G
G.
Great top

Gorgeous fit, washes well and love the long sleeves with thumb holes.

The thumb loops are so useful! Glad to hear you're enjoying your new purchase Gayl! Thank you for taking the time to write a review.
V
V.W.
Love it

I have another two of these. Love the feel of these on and love the look too. Only issue is this one seems tighter in fit than my other two I purchased a couple of years ago and also shorter in length too.

Hi Vicky, thank you for your review on the Altitude Crew Neck. We have recently updated the fit, ever so slightly, as the customer feedback suggested they were too long. The new season colours (stripe, khaki, pink and blue) are a couple of centimetres shorter in the torso but still have the 'drop back hem line' for tucking into your other layers. If you ever have any questions on fit or styling please don't hesitate to get in contact customerservice@iomerino.com. Thanks!
C
C.F.
Altitude Crew Long Sleeve

Have worn both tops for running & tennis. Love the colours & they are soft, comfortable & wash & wear well.

Hi Chris, thanks for reviewing your recent purchase. I'm glad to hear you've enjoying your new Altitude Crew for lots of different activities! The Altitude crew is such a good all-rounder.
S
S.
The Trail Sister Spring 2019 Long Sleeve Tops Review

Review from The Trail Sister Spring 2019 Long Sleeve Tops Reviews www.trailsisters.net/2019/04/30/spring-2019-long-sleeve-tops

"The ioMerino Altitude Crew long sleeve is a durable top made of merino blend that allows for freedom of movement and overall comfort. It is a lightweight top designed to fit like a second skin where it works quickly to wick away sweat and dry if you’re out in the elements. The Altitude, size medium, body length measures at 17” and the sleeves measure at 23”. There are thumb holes cut into the seam at each cuff that are just the right size for your thumb without exposing more of your hand, a comfortable fit thanks to the longer sleeves.

What We Loved: The overall fit of the top is solid, as well as the warmth provided on harsher days.

Thumb Holes: Yes.
Fit & Feel: Sized into a medium, tried both a medium and large. They both fit good, although the casual fit of the large is preferred (fits relaxed without being boxy or baggy)."

C
C.F.
Comfy, keeps you warm and washes well.

We bought this to wear on cold mornings for training on the water. It is comfy, keeps you warm, is lovely and soft and I don't over heat in it. Thumb holes are good and the length is good, it fits very well. The only down side is, it is very delicate. Mine has a hole in the knit after one wear but it is a knit so I guess to be expected if anything touches it.

Hi Carie, We have a one year warranty for all manufacturing faults, so please feel free to get in touch with us at customerservice@iomerino.com if you're having any problems.
J
J.P.
Just an awesome top

I love this top and wear it everywhere - I have it in blue, and its my favourite color of all merino wear in the cupboard (and I have a fair bit on hand!). Beautifully warm, beautifully breathable. Genuinely smells like Woolmix when I run and sweat in it - doesn't seem to ever have an odor. Rarely need to wash because it airs out just as well. Stoked!





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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: