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All size charts

ioMerino Size Guide

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 charts below are general and 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 take a look at our recommendations below.

For further assistance with sizing, contact us here.

If for some reason you are not 100% satisfied with the size you chose, we’ll happily offer an exchange, refund or store credit on any non-sale garments. For more about our refunds and exchange policy, click here.

 Men's General Size Chart

 

 

XS

S

M

L

XL

XXL

Waist

Inch

27

28-30

32-34

36-38

40-42

44-46+

 

cm

68 - 70

71-76 

81-86

91-96

101-108

111-116+

Chest

Inch

32-34

34-36

38-40

42-44

46-48

50+

 

cm

81.5 - 86

86-91

96-101

106-111

116-121

127+

Men's Summit Zip Hoodie

Measurements in cm. 

Measurements include ribbed hem.

Sleeve length from pit to hem.

 

XS

S

M

L

XL

XXL

Pit to pit

47.4

51.2

55

58.8

62.6

66.4

Torso Length

65.9

68.5

71

73.5

76.1

78.6

Sleeve Length

50.2

52.1

54

55.9

57.8

59.7

Men's Summit Easy Fit Hoodie

Measurements in cm. 

Measurements include ribbed hem.

Sleeve length from shoulder to cuff.

 

XS

S

M

L

XL

XXL

Pit to pit

49.4

53.2

57

60.8

64.6

68.4

Torso Length

68.9

71.5

74

76.5

79.1

81.6

Sleeve Length

74.2

76.1

78

79.9

81.8

83.7

Men's Tracksuit Pants 

Outside Leg measurement (including waist band).

S M L XL XXL
Inside Leg inch 29 30  30.5 31 31.5
cm 74.5 76 77 78.5 80
Outside Leg inch 41 41.5 42 42.5 43
cm 105 106 107.5 109 110

Men's Pace Compression Leggings - Original

Outer leg length measure from top of waist to ankle.

Measurements in cm.

XS S M L XL XXL
Waist  58.9 64 69.1 74.2 79.2 84.3
Hips 68.9 74 79.1 84.2 89.2 94.3
Outer Leg 90.3 93.5 96.7 99.8 103 106.2

 Men's Stride Track Pants

Leg length measurement includes ankle cuff.

XS S M L XL XXL
Waist  70.4 75.2 80 84.8 85.6 94.4
Hips 82.4 87.2 92 96.8 101.6 106.4
Leg Length 81.6 82.3 83 83.7 84.4 85.1


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

 

Women's Size Chart - Altitude '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

 

Women's Size Chart - Universal, Ultra, and Horizon '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 and Horizon are 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 Summit Zip Hoodie

Measurements in cm. 

Measurements include ribbed hem.

Sleeve length from pit to hem.

 

XS

S

M

L

XL

XXL

Pit to pit

41.4

45.2

49

52.8

56.6

60.4

Torso Length

60.5

63

65.5

68.1

70.6

73.2

Sleeve Length

47.9

50.5

53

55.5

58.1

60.6

Women's Summit Easy Fit Hoodie

Measurements in cm. 

Measurements include ribbed hem.

Sleeve length from shoulder to cuff.

 

XS

S

M

L

XL

XXL

Pit to pit

44.4

48.2

52

55.8

59.6

63.4

Torso Length

62.9

65.5

68

70.5

73.1

75.6

Sleeve Length

68.2

70.1

72

73.9

75.8

77.7


Women's Stride Tracksuit pants

Measurements do not include the ankle cuff. 

Please keep in mind the style of these pants is slightly drop crotch. 

Measurements in cm. 

 

XS

S

M

L

XL

XXL

Waist

72.4

77.2

82

86.8

91.6

96.4

Hip

98.2

104

108.8

113.6

118.4

123.2

Leg Length

56.4 57.6 58.8 60 61.2 62.4


Women's Yoga Pants

Measurements in cm. 
Outer Leg Length includes from the top of the waist to the bottom of the pant leg.

 

XS

S

M

L

XL

XXL

Waist 1/2 measurement

34

36.5

39

41.5

44

46.50

Hip 1/2 measurement

40

42.5

45

47.5

50

52.5

Outer Leg Length

106.8 108 109.2 110.4 111.6 112.8


Women's Freedom Sweatpants

Outside leg measurement includes waist band.

Measurements in cm. 

 

XS

S

M

L

XL

XXL

Waist

68.4

73.2

78

82.8

87.6

92.4

Hip

94.4

99.2

104

108.8

112.6

118.4

Outside Leg

95.6

96.8

98

99.2

100.4

101.6

 

Women's Pace Compression Leggings - Original

Measurements in cm. 

 

XS

S

M

L

XL

XXL

Waist

72.4

77.2

82

86.8

91.6

96.4

Hip

98.2

104

108.8

113.6

118.4

123.2
Leg Length

60.5 63 65.5 68.1 70.6 73.2

 

Women's Pace Compression Leggings

Measurements in cm. 

 

XS

S

M

L

XL

XXL

Waist

72.4

77.2

82

86.8

91.6

96.4

Hip

98.2

104

108.8

113.6

118.4

123.2
Leg Length

60.5 63 65.5 68.1 70.6 73.2

 

Women's Pace 3/4 Compression Leggings

Measurements in cm. 

 

XS

S

M

L

XL

XXL

Waist

72.4

77.2

82

86.8

91.6

96.4

Hip

98.2

104

108.8

113.6

118.4

123.2
Leg Length

42.2 44.8 47.3 49.8 52.4 54.9


Women's Pace Bike Shorts

Measurements in cm. 

 

XS

S

M

L

XL

XXL

Waist

72.4

77.2

82

86.8

91.6

96.4

Hip

98.2

104

108.8

113.6

118.4

123.2
Leg Length

10.5 13 15.5 18.1 20.6 23.2

Socks

All sizes are given in US Sizing 

Men's Women's
S 4 - 6 5.5 - 7.5
M 7 - 10 8.5 - 11.5
L 11 - 14 12 - 15.5

 

Pace Arm warmers

Measurement given for bicep width and arm warmer length. Measure around the fullest part of your upper arm in a relaxed position. 

Use the chart below to determine your size. If you’re between two sizes, order the smaller size for a tighter fit or the larger size for a looser fit.

Approximate measurements only. 

Bicep Arm Warmer Length
XS 27 - 28 cm 45 cm
S 29 - 30 cm 46.5 cm
31 - 32 cm 48 cm
L 33 cm + 49.5 cm

 

Gloves

Hand Length - Measure from the top of your middle finger to the base of the palm. 

Use the chart below to determine your size. If you’re between two sizes, order the smaller size for a tighter fit or the larger size for a looser fit.

Pace Gloves:

S 16 cm
18 cm 
L 20 cm


Skull Cap

To measure your head circumference, take a sewing measuring tape and wrap around your head so that the measuring tape winds just above the ears, in the middle of your forehead and in the centre back of your head.

Use the chart below to determine your size. If you’re between two sizes, order the smaller size for a tighter fit or the larger size for a looser fit. Approximate measurements only.

Head circumference
S/M 50-60 cm
M/L  60-70 cm 

 

For further assistance with sizing, contact us here.