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Altitude 'Mongrel' 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 then we recommend you take the size up.

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

 

Altitude Range - 'Contact Fit'

The Altitude range is designed to be a tight, but comfortable, fit. If you size up it will give you a little extra room, but it will still hug your body as that’s what this range is designed to do. If you want a looser fit consider the Ultra or Universal range. 

    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
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
Hips inch 34-36 36–38 38-40 40-42 42-44 44-47
cm  84-90  90-96  96-102 102-108 108-115 115-122

 

Universal and Ultra Range - 'Regular Fit'

These garments are designed true to size, but going up a size in the Ultra will give it a slightly looser fit, whilst remaining sporty. The Universal is already designed as a more casual fit. 

    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
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
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

 

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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Dark Blue Marle
Charcoal
XS
XS
S
S
M
M
L
L
XL
XL
XXL
XXL

Our Altitude range is designed to fit close to your body for maximum performance, so it’s tight but still soft, with plenty of give for extra comfort.

Our long sleeve Mongrel tops are some of our most popular, so it made sense we'd eventually get round to creating a Women’s Altitude ‘Mongrel’ Tee for when you want to strut your stuff in milder weather. Don’t let the fun name fool you, this is one seriously good, high performance Merino Tee. 

Wear this Merino T-shirt as part of our layering 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.

Get in quick, all Mongrels are strictly limited edition and once they're gone, they're gone for good. 

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

(For a more relaxed fit try our Ultra or Universal tops.)

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.

Brown-haired model wears size medium (as you can see the product sits loosely on her). Size down for a tight fit. Model specs - size 8-10, height 170cm, chest 80cm, waist 67cm, hips 93cm.

Blonde-haired model wears size small, height 161cm.

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 10 reviews
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N
Norma Edwards (Melbourne, AU)
Whoops!!Its been so cold>

So I have a lovely new mongrel t shirt on the cupboard and it looks perfect, but its been too cold to wear it in Melbourne. I was about to fly off to FN Qld and my new t shirt was to come along, but oh no!! I had to cancel. Im sure I'll love my t shirt and am about to order a long sleeved version because I really love my io merino pieces. So easy to care for and comfortable and adaptable to occasions and weather, except a short sleeved t in Melbourne's winter. .

S
Sharon L. (Sydney, AU)
Passes the Stink Test

The advice to go a size up was spot on. The raglan sleeves are great and the longer sleeve length means my inner arms no longer get "bitten" by my pack straps. The mongrel colours suit my style and the length is perfect. I've been wearing the shirt and following the care instructions - airing it overnight - and it's like some kind of voodoo. The shirt is a bit pongy after I take it off but in the morning, it's fresh as a daisy. 4 days of wear with no washing so far. Also minimal pilling where my pack rubs. My only gripe is that a shirt that has no internal tags has one on front that scratches - I removed it. Maybe a label like the one on the back of the neck would be better? Either way, I am loving this shirt and have ordered the long-sleeve version.

L
Lizzie (Melbourne, AU)
Need another one!

I am a size 16 and purchased the XL. Sits just on the hips and is firm but not too clingy. Love the raglan sleeves (they move better), and the striped sleeve just makes you smile. Wore this on a 32km walk on a hot day, and it did not let me down. Very comfortable.

R
Robyn (Sydney, AU)
Another great mongrel!

Great fit! Great style! What’s not to love! It’s the shirt I reach for every day. Love the new colour! 😊

V
Verna (Adelaide, AU)
Love my mongrels

Perfect fit and seriously comfortable; I can wear them for several days and they're still fresh. I chuck it in my front-loading washing machine on a gentle, hand-wash cycle (I use Tri Nature Alpha Plus Liquid Laundry detergent - great for wool and silk). Perfect for everyday, casual wear. Great to have the T-shirt version (I have two long-sleeve that I wear all winter). Love, love, love it.

L
Lisa Newton (Surrey Hills, AU)

The mongrelise t shirt is ideal and exactly what I hoped it would be like. The fit is perfect.





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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 - Celsius 

Made from 45% ultra fine MERINO (Ultra Lightweight 150gsm), 45% natural TENCEL (made from sustainably grown wood fiber), and 10% nylon for extra durability. 

 

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: