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Keystone Running Tank

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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Fusion Coral
Strawberry Pink
Grape
Purple Velvet
XS
XS
S
S
M
M
L
L
XL
XL
XXL
XXL

Everyone knows Merino is great at keeping you warm when it’s cold, but did you know our Women's Keystone ‘Summerino' Tank is just as effective at keeping you cool when it’s warm?

The natural breathability and thermo-regulating properties of our MicroMerino® fabrics help keep you insulated against whatever Mother Nature can throw at you. The 100% Merino Tank is super fine, soft, lightweight, moisture wicking, odour-resistant, delivers UV protection from the sun and is a revolution in comfort all year round.

The Women's Keystone Merino Wool Running Tank has a versatile and relaxed fit, with a drop back hem for extra coverage; a combination of a modern female muscle tank and classic singlet.

Pair with a Zodiac Crop Top to maximize comfort, style and MicroMerino® performance.

Designed to have a casual, relaxed fit. Still true to size but in an easy, loose fit.

Model is 5'8" and wears size S.

Size Guide. Casual Fit.

Warm Weather 

Hiking

Running 

Yoga

Ultra-lightweight 150gsm

100% superfine Australian Merino.

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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B
Barbara (Sydney, AU)
Nice top

I bought a small and it is a little big but otherwise nice. Will be interesting to try it out when the weather warms up

S
Sue Lisbeth (Sydney, AU)
Soft and lovely to wear

This looked just like any other tank top and I just wanted merino so it was easy to choose this for my walking. But it is going to be a fave piece for many other times as well - it's such a beautiful texture and weight and it happens to fit me so perfectly I'm delighted. I'm a standard 10 with 34 bust and the Small size looks great, with just a little flare at the bottom to avoid that fitted tummy look. I'm so happy I have just bought another colour.

M
Marcia Stinson (Sydney, AU)

super comfy

V
Verna (Adelaide, AU)
I don't run anywhere...

...but this is still my go-to tank for hanging around, working in the garden, doing mat exercises, going to the pool - whatever. Flat seams, super comfortable, never seem to get smelly - I have several and wear all my ioMerino gear all year around. Tanks I wear as an underlay in winter. They keep me snug and warm, but not sweaty. Glorious product - and I especially love that it's local (to me - I'm in Adelaide).

C
Charlotte (Sydney, AU)
BEST EXERCISE GEAR

I’ve had three of these tops for at least 4 years now and they are still in amazing condition. I run in them almost every day, no matter the season and they are by far the best exercise gear I have ever purchased. Super soft, never itchy and never smelly even after running in summer. I did a test to see how much sweat they could take and I washed them before they smelt because it was up to day 6!!! It ended up having salt lines from dried sweat before it became odorous. They are well and truly worth the money. A brilliant product.

R
Rebecca (Brisbane, AU)
Super comfy singlet!

This singlet is super comfy, the first time I wore it was doing yoga and it feels like a soft blanket is hugging you (it’s winter). I’d highly recommend these singlets. Nice loose fit. I’d size down though.





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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: