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Girls' size guides

Girls' Swimwear+

Inches

CM

Approx. Age Height Chest Waist Hips Speedo Size
4 - 5 41" 22" 21" 23" 22
5 - 6 45.5" 24" 22" 25" 24
7 - 8 50.5" 26" 23" 27.5" 26
9 - 10 55" 28.5" 24.5" 30" 28
11 - 12 60" 30.5" 25.5" 33" 30
13 - 14 64.5" 33" 27" 35.5" 32
15 - 16 69" 36.5" 29" 38" 34
4 - 5 104cm 55.5cm 53cm 58cm 22
5 - 6 116cm 61cm 56cm 64cm 24
7 - 8 128cm 66.5cm 59cm 70cm 26
9 - 10 140cm 72cm 62cm 76cm 28
11 - 12 152cm 77.5cm 65cm 84cm 30
13 - 14 164cm 84cm 69cm 90cm 32
15 - 16 176cm 90.5cm 73cm 96cm 34

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 your child

  • Height

    Remove their shoes and measure their height against a wall.

  • Chest

    Measure under the arms at the fullest part of the chest.

  • Waist

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

  • Hip

    Measure around the widest part of the hips and bum.

Girl Size Guide 4 3 2 1
Girls 6 months - 6 years Swimwear+

Inches

CM

Height Chest Speedo Size
29-31" 20.5" 6-9 MTHS
31-33" 21" 9-12 MTHS
36" 22" 2 YRS
39" 23" 3 YRS
43" 23.5" 4 YRS
45" 24.5" 5 YRS
47" 25" 6 YRS
74-80cm 52cm 6-9 MTHS
80-84cm 54cm 9-12 MTHS
92cm 56cm 2 YRS
100cm 58cm 3 YRS
110cm 60cm 4 YRS
115cm 62cm 5 YRS
120cm 64cm 6 YRS

how to measure your child

  • Height

    Remove their shoes and measure their height against a wall.

  • Chest

    Measure over the fullest part of your bust.

Tots Size Guide 1 2
Infant Float Vest+
Chest Mass Speedo Size
51cm 0-15kg 1 - 2 YRS
56cm 15 - 20kg 2 - 4 YRS
61cm 20 - 30kg 4 - 6 YRS

how to measure your child

  • Chest

    Measure over the fullest part of your bust.

Tots Size Guide 1
Fastskin Endurance+ Junior Racing Suit+

The chest measurement on the Fastskin Endurance+ is the key part. Choose your size using the chest measurement first, and use the height, waist, hips and height measurements as an extra guide.

Inches

CM

Approx. Age Chest Waist Hips Height Speedo Size
4 yrs 22" 21" 23" 41" 22
6 yrs 24" 22" 25" 45.5" 24
8 yrs 26" 23" 27.5" 50.5" 26
10 yrs 28.5" 24.5" 30" 55" 28
12 yrs 30.5" 25.5" 33" 60" 30
14 yrs 33" 27" 35.5" 64.5" 32
16 yrs 36.5" 29" 38" 69" 34
4 yrs 55.5cm 53cm 58cm 104cm 22
6 yrs 61cm 56cm 64cm 116cm 24
8 yrs 66.5cm 59cm 70cm 128cm 26
10 yrs 72cm 62cm 76cm 140cm 28
12 yrs 77.5cm 65cm 84cm 152cm 30
14 yrs 84cm 69cm 90cm 164cm 32
16 yrs 90.5cm 73cm 96cm 176cm 34

how to measure your child

  • Chest

    Measure under the arms at the fullest part of the chest.

  • Waist

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

  • Hips

    Measure around widest point of the hips and bum.

  • Height

    Remove their shoes and measure their height against a wall.

Girl Size Guide 3 2 1 4
Fastskin LZR X Junior Girls+

Our Junior LZR Racer X is the most compressive suit we have in our Fastskin Junior range. The hip measurement is the key part. Choose your size using the hip measurement first, and use the chest, body loop and waist measurements as an extra guide.

Inches

CM

Body Loop Chest Waist Hip Speedo Size
49-50.5" 25.5-27" 20.5-21.5" 28-29.5" 24
51-52.5" 27.5-29" 22-23" 30-31" 26
53-54.5" 29.5-31" 23.5-25" 31.5-32.5" 28
55-56.5" 31.5-33" 25-26.5" 33-34.5" 30
57-58.5" 33.5-35" 27-28.5" 35-36.5" 32
59-60.5" 35.5-36.5" 29-30.5" 37-38" 34
125-129cm 65-69cm 52-55cm 71-75cm 24
130-134cm 70-74cm 56-59cm 76-79cm 26
135-139cm 75-79cm 60-63cm 80-83cm 28
140-144cm 80-84cm 64-68cm 84-88cm 30
145-149cm 85-89cm 69-73cm 89-93cm 32
150-154cm 90-93cm 74-77cm 94-97cm 34

The fit of your suit is down to your personal preference and your race event. See the diagram below for more guidance on which size is right for you.

In your event do you swim more than 200 metres?

No
Choose the Speedo recommended size.
Yes
200 meters or more go one size bigger.

how to measure your child

  • Hip

    Measure around widest point of the hips and bum.

  • Body Loop

    Place the beginning of the tape measure on the middle of the shoulder. Run the tape measure over the fullest part of the chest down between the legs and up the back to the start point on the shoulder.

  • Chest

    Measure under the arms at the fullest part of the chest.

  • Waist

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

Girl Size Guide 2 1 4 3
Tips:
  • Your body changes as you train, so we recommend measuring yourself again every time you buy a new suit
  • Due to compression, it can take up to 20mins to put on your suit
Girl's Float Vest+
Chest Mass Speedo Size
51cm 0-15kg 1-2 YRS
56cm 15-20kg 2-4 YRS
61cm 20-30kg 4-6 YRS
Girl's Float Suit+
Chest Mass Speedo Size
55cm 15-18kg 2-3 YRS
57cm 18-22kg 3-4 YRS
59cm 22-26kg 4-5 YRS
61cm 26-30kg 5-6 YRS
Girl's Swim (Aqua) Nappy+
Height Mass Speedo Size
62cm 6kg 0-3 Mths
68cm 8kg 3-6 Mths
74cm 9.5kg 6-9 Mths
80cm 11kg 9-12 Mths
86cm 12kg 12-18 Mths
92cm 13kg 18-24 Mths