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Altitude 'Mongrel'

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.

 

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

 

 

 

BUST

WAIST

HIPS 

XS

inches

29.5–32.5

23.5–26

33–35.5

cm

75-82.5

60-66

83.5-90

S

inches

32.5–35.5

26–29

35.5–38.5

cm

82.5-90

66-73.5

90-97.5

M

inches

35.5–38

29–31.5

38.5–41

cm

90-96.5

73.5-80

97.5-104

L

inches

38–41

31.5–34.5

41–44

cm

96.5-104

80-87.5

104 -111.5

XL

inches

41–44.5

34.5–38.5

44–47

cm

104-113

87.5-94.5

111.5-119.5

XXL

inches

44.5–48.5

38.5–42.5

47–50

cm

113-123

97.5-108

119-127

 

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

 

Socks

Sizes give in US shoes sizes 

S 5.5 - 6.5
7 - 9
L 10 - 12
XL 13+

 

 

or make 4 interest-free payments of $30.00 fortnightly with More info

Dark Blue Marle
Bright Rose
XS
S
M
L
XL
XXL

If you’re looking to add a little extra fun to your next adventure, the Women’s Altitude ‘Mongrel’ is for you! Don’t let the name fool you, this is one seriously good thermal Base Layer. The perfect combination of performance, warmth and comfort with a little bit of fun thrown in for good measure.  

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

Flatlock stitching, raglan sleeves and tag free to eliminate chafe and maximize 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. 

Ultra Trail Australia mandatory gear approved thermals

Designed to be worn as a body tight ‘contact fit’ layer. Slightly looser than the Altitude long sleeve styles.

Drop back hem and extra length in body. 

Thumb loops. 

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 25 reviews
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M
M.B.
Love my mongrel

This has quickly become a staple in my wardrobe. Love the quirky colours and the fit

J
J.C.
Mongrel the magnificent

I love my mongrel top so much I am going to purchase another one. I wore it on my first ultramarathon and it was perfect. It kept me warm and dried very quickly when it rained. It will definitely be coming to the Berlin and New York marathons with me!

Awesome, Julia! Happy to hear the mongrel lived up to expectations! Best of luck with the Berlin and NY marathons. Send us some pictures of you running in your mongrel! We love to see what our customers get up to in their ioMerino.
T
T.C.
Love it

I love the colours and fit of the Mongrel. Best of all, it doesn't seem to get smelly - I've been wearing it a lot for training hikes and getting very hot and sweaty and it doesn't smell at all.

So glad to hear you're loving your new Mongrel Trish! Thank you for the review!
H
H.W.
Love the mongrel

Looks great; feels great; have been wearing it repeatedly.

Thanks for letting us know the Mongrel in ticking all the boxes, Helen! Came back and shop with us again soon.
J
J.
Beautiful thermal top

Light weight but surprisingly warm, love the colours, have had lots of comments since I brought it, will definitely be getting some more.

Thanks for the positive review Jane! You should buy more, I've heard you can never have too many!
a
a.
Excellent Thermal Top and Fun Colour Combo

Excellent thermal top, very comfortable and kept me warm as a base layer on a winter bushwalking trip in Katoomba. Such a fun colour combo as well, I felt great wearing it.

Thanks for sharing your review with us and our ioMerino community! So glad to hear you like your new top!




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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: