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Speedo On

Women's size guides

Swimwear+

Inches

CM

UK Dress Size Bust Waist Hip Speedo Size
4 26-28" 20" 30" 26
6 28-30" 22" 32" 28
8 30-32" 24" 34" 30
10 32-34" 26" 36" 32
12 34-36" 28" 38" 34
14 36-38" 30" 40" 36
16 38-40" 32" 42" 38
18 40-42" 34" 44" 40
20 42-44" 36" 46" 42
22 44-46" 38" 48" 44
24 46-48" 40" 50" 46
4 66-71cm 52cm 77cm 26
6 71-76cm 57cm 82cm 28
8 76-81cm 62cm 87cm 30
10 81-86cm 67cm 92cm 32
12 86-91cm 72cm 97cm 34
14 91-96cm 77cm 102cm 36
16 96-101cm 82cm 107cm 38
18 101-106cm 87cm 112cm 40
20 106-111cm 92cm 117cm 42
22 111-116cm 97cm 122cm 44
24 116-121cm 102cm 127cm 46
Speedo swimsuits are designed to have a close fit to your body to help you have the best swim. If you would like a looser fit you can go up a size.

How to measure yourself

  • Bust
    Measure over the fullest part of your bust.
  • Waist
    Measure around your nave (band to the side to find the dent, this is where your waist is)
  • Hips
    Measure around the widest point of the hips and bum.
Woman size guide
Fastskin LZR Racer® X Kneeskin+

The following size guide is specifically for the following racing suit:

Fastskin LZR Racer® X Kneeskin

The hip measurement on Fastskin LZR Racer® X is the most important measurement.

Please base your size using the hip measurement first. Chest, body loop and waist measurement are to be used as an extra guide.

Hip - taken from the widest point of the hips.

Body loop - place the beginning of the tape measure on the middle of the shoulder. Run the tape measure over the fullest part of your bust down between your legs and up your back to the start point on your shoulder.

Chest - Measure over the fullest part of your bust.

Waist - Measure around your navel.

Rather than making a selection based on your size in previous racing suits, Speedo recommends that you measure yourself and select the correct size according to the charts below.

Speedo Size Hip (cm) Chest (cm) Body Loop (cm) Waist (cm)
20 81 - 84 78 - 81 142 - 147 61.5 - 64
21 84 - 87 81 - 84 145 - 150 64 - 66.5
22 87 - 90 84 - 87 148 - 153 66.5 - 69
23 90 - 93 87 - 90 151 - 156 69 - 71.5
24 93 - 96 90 - 93 154 - 158 71.5 - 74
25 96 - 99 93 - 96 157 - 162 74 - 76.5
26 99 - 102 96 - 99 160 - 165 76.5 - 79
27 102 - 105 99 - 102 165 - 168 79 - 81.5
28 105 - 108 102 - 105 166 - 171 81.5 - 84
Measuring Guide
Fastskin LZR Racer® Elite 2 Kneeskin+

The following size guide is specifically for the following racing suit:

Fastskin LZR Racer® Elite 2 Kneeskin

Our racing suit sizing is based on three measurements:

Body Loop - place the beginning of the tape measure on the middle of the shoulder. Run the tape measure over the fullest part of your bust down between your legs and up your back to the start point on your shoulder

Chest - Measure over the fullest part of your bust and around your back

Waist - Measure around your navel

Rather than making a selection based on your size in previous racing suits, Speedo recommends that you measure yourself and select the correct size according to the charts below.
It is important that you choose the correct size for the LZR Racer Elite 2 as it may feel more flexible than your size preference in the previous LZR Racer suit. The difference in construction of the LZR Racer Elite 2 represents very slight variants in the fit with, in some instances, the LZR Racer Elite 2 feeling tighter. Swimsuit fit is down to personal preference. Swimmers wishing to achieve a more compressive sensation or tighter fit may find choosing a smaller size is an option.

Speedo Size Body Loop (cm) Chest (cm) Waist (cm)
16 128 - 131 75 - 76 59 - 60
18 132 - 135 77 - 78 61 - 62
20 136 - 139 79 - 80 63 - 64
22 140 - 143 81 - 84 65 - 66
23 144 - 152 85 - 89 67 - 69
24 153 - 157 90 - 92 70 - 71
25 158 - 161 93 - 95 72 - 73
25L* 162 93 - 95 72 - 73
26 163 - 166 96 - 98 74 - 75
26L* 167 96 - 98 74 - 75
27 168 - 171 99 - 101 76 - 77
27L* 172 99 - 101 76 - 77
28 173 - 175 102 - 104 78 - 79
28L* 176 102 - 104 78 - 79
29 177 - 180 105 - 107 80 - 81
Measuring Guide
Wetsuits+

Our female wetsuit sizing is based on your weight, height, chest, waist and hip measurements. Please note that individual preference for tightness, stroke and distance may also determine your choice in size.

Speedo Size Height
Weight
Chest
Waist
Hip
  cm
feet/inch
kg
lbs
cm
inch
cm
inch
cm
inch
XXS 145 - 152
4'9" - 5'0"

40 - 47
88 - 103
76 - 83
30" - 33"
57 - 65
22.5" - 25.5"
80 - 88
31.5" - 34.5"
XS 147 - 157
4'10" - 5'2"
47 - 53
103 - 117
79 - 87
31" - 34"
61 - 68
24" -27"
84 - 91
33" - 36"
S 155 - 165
5'1" - 5'5"
53 - 61
117 - 134
82 - 90
32.5" - 35.5"
64 - 72
25" - 28"
87 - 95
34.5" - 37.5"
ST 163 - 173
5'4" - 5'8"
55 - 63
121 - 139
82 - 90
32.5" - 35.5"
64 - 72
25" - 28"
87 - 95
34.5" - 37.5"
M 161 - 171
5'3.5"- 5'7.5"
58 - 67
128 - 147
86 - 94
34" - 37
67 - 75
26.5" - 29.5"
90 - 98
35.5" - 38.5"
L 168 - 178
5'6" - 5'10"
66 - 77
145 - 169
90 -98
35.5" - 38.6"
72 - 80
28.5" - 31.5"
93 - 100
36.5" - 39.5"
XL 175 - 185
5'9" - 6'1"
73 - 85
161 - 187
95 - 103
37.5" - 40.5"
77 - 84
30" - 33"
97 - 105
38.5" - 41.5"
TriathElite+

Women's TriathElite Suits

Our female TriathElite suit sizes are based on your chest, waist and hip measurements.

Speedo Size Chest (inches / cm) Waist (cm) Hip (cm)
XS 32" / 81 66 94
S 34" / 86 71 96
M 36" / 91 76 101
L 38" / 96 81 106
XL 40" / 101 86 109

Women's TriathElite Shorts

Speedo Size Chest (inches / cm) Hip (cm)
XS 26" / 66 94
S 28" / 71 96
M 30" / 76 101
L 32" / 81 106
XL 34" / 86 109

 

Measuring Guide
Maternity Swimwear+

Inches

CM

UK Dress Size (pre pregnancy) Bust Waist Hip Speedo Size
8 30-32" 25" 35" XS
10 32-34" 27" 37" S
12 34-36" 29" 39" M
14 36-38" 31" 41" L
16 38-40" 33" 43" XL
18 40-42" 35" 45" XXL
8 76-81cm 62cm 87cm XS XS
10 81-86cm 67cm 92cm S S
12 86-91cm 72cm 97cm M M
14 91-96cm 77cm 102cm L L
16 96-101cm 82cm 107cm XL XL
18 101-106cm 87cm 112cm XXL XXL

How to measure yourself

  • Bust
    Measure over the fullest part of your bust.

  • Waist
    Measure around your navel (bend to the side to find the dent, this is where your waist is)

  • Hips
    Measure around widest point of the hips and bum.
Woman size guide
Rashguards+

Our women's rashguard sizing is based on your height and chest measurement in inches and we have included an approximate conversion to UK dress size to make it easier to find the size that's right for you.

Speedo Size Chest (inches / cm) Height (inches / cm)
S 32" / 81 5'0" - 5'3" / 152 - 160
M 34" / 86 5'2" - 5'5" / 157 - 165
L 36" / 92 5'4" - 5'7" / 162 - 170
XL 36" / 92 5'6" - 5'9" / 168 - 175