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Altitude Tee

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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Stripe
Black
Thyme
Charcoal
XS
S
M
L
XL
XXL

Not only does the Women's Altitude Base Layer Tee look and feel good, it's also incredibly versatile, taking you through a wide range of temperatures and conditions. Wear this Base Layer T-shirt as part of our layer system for extra warmth, and when the temperature rises, you’ve got the perfect lightweight and breathable T-shirt that delivers the comfort and performance you need to go the distance.

Tag free, flatlock stitching, raglan sleeves eliminate chafe and maximize comfort. 

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

New improved fit. Regular body length, shorter and looser than the Altitude long sleeve styles.

Model is 5'10" and wears size small. Size down for a tight fit. 

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 21 reviews
90%
(19)
5%
(1)
5%
(1)
0%
(0)
0%
(0)
K
K.M.
Great fit

I love the cut and the fit of this shirt. It’s a little thicker than my mongrel tops which I like. For the price, I hope it’s a bit more durable. I love io but ive not had any tops last more than a year or two.

Hi Kelly, thanks for contacting us with regards to your tee, glad you like it. We have contact you via our customer service email with regards to you concern about durability. Love to hear from you.
S
S.
Super soft T perfect fit and cut.

Lovely running t- shirt, good snug fit, perfect cut. Not too heavy GSM keeps me comfortable throughout my run from the cold start, hot PB mid way and cool down. Would like to see more same cut and fit in more colour range though.

Thank you for your review Sarah! It's always good to get feedback on what our customers are looking for.
J
J.M.
Great tee

Great tee

A.
Altitude tee

I love this base layer ! Fits perfectly, is warm, light and not prickly! It is my new favourite clothing item 👌🏻Also Communication was prompt and very helpful in choosing a size as I was an in between chart size. The snug fit makes it super warm !

Thank you so much for your kind words, Angie. We really appreciate you taking the time out to share your experience with us. Enjoy your new tee!
S
S.B.
My go-to casual tee

Love my 'Run all the trails' tee. I went a size up so I could wear it as a normal casual top.

Hi Sally! Thanks for the review and thanks for the tips about sizing up for a more casual style. This is helpful for other customers trying to find their perfect fit.
S
S.
super soft & comfortable

I adore my 'Run all the Trails' altitude tee in charcoal marle colour. Fabric is soft, very comfortable to run in and the cut is perfect. As the top is designed to be worn "body tight 'contact fit' layer", I simply ordered the next size up, so it isn't clingy. Very happy with my purchase.

Hi Sara, Thanks for your review on the cut and styling, its a great help for people choosing their perfect size! Enjoy!




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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: