| IPS Wrist | IPS Elbow | IPS Knee | GravityKnee | IPS Railguard | |
| X-Small | 5.5"-6" 14cm-15.2cm | ||||
| Small (A) | 9.5"-11.5" 24.1cm-25.4cm | 14.5"-16.5" 35.6cm-41.9cm | 14"-17" 36cm-43cm | 13.5"-16.5" 34cm-41.9cm | |
| Small (B) | 8.5"-10" 21.6cm-25.4cm | 12"-14" 30.5cm-35.6cm | 12"-14" 31cm-35.6cm | 12"-14" 31cm-35.6cm | |
| Medium (A) | 6.5"-7" 16.5cm-17.8cm | 9.5"-11.5" 24.1cm-29.2cm | 14"-16.5" 35.6cm-41.9cm | 17"-19" 43cm-48cm | 13.5"-18" 35cm-45cm |
| Medium (B) | 8.5"-10" 21.6cm-25.4cm | 12"-14" 30.5cm-35.6cm | 14"-16" 35.6cm-41cm | 12.5"-15" 32cm-38cm | |
| Large (A) | 8.5"-9" 21.6cm-22.9cm | 12"-14" 30.5cm-35.6cm | 16"-18.5" 40.6cm-47cm | 19"-21" 48cm-53cm | 14"-19" 36cm-48cm |
| Large (B) | 10.5"-12" 26.7cm-30.5cm | 13.5"-15.5" 34.3cm-39.4cm | 16"-18" 41cm-46cm | 13.5"-15.5" 33cm-40cm | |
| X-Large (A) | 9.5"-10" 24.1cm-25.4cm | 14.5"-20" 37cm-51cm | |||
| X-Large (B) | 13.5"-17" 34cm-43cm |