Please note, 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 chart below.

LZR Racer X

Junior Girls 24 26 28 30 32 34
Body Loop 125-129cm 130-134cm 135-139cm 140-144cm 145-149cm 150-154cm
Chest 65-69cm 70-74cm 75-79cm 80-84cm 85-89cm 90-93cm
Waist 52-55cm 56-59cm 60-63cm 64-68cm 69-73cm 74-77cm
Hip 71-75cm 76-79cm 80-83cm 84-88cm 89-93cm 94-97cm


Fastskin Endurance+

Junior Girls 24 26 28 30 32 34
Corresponding swimsuit size N/A 6 8 10 12 14
Age 5-6 7-8 9-10 11-12 13-14 15-16
Chest 60cm/24" 65cm/26" 70cm/28" 75cm/30" 80cm/32" 85cm/34"
Height 116cm 128cm  140cm 152cm 164cm 176cm