| Size | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|---|
| Top circumference (cm)17 cm above the middle of the knee, with the knee bent to 30° | 38 – 42 | 41 – 45 | 44 – 49 | 48 – 53 | 51 – 57 | 54 – 60 | 60 – 72 |
| Bottom circumference (cm)15 cm below the middle of the knee, with the knee bent to 30° | 28 – 32 | 31 – 35 | 34 – 38 | 36 – 40 | 39 – 43 | 42 – 46 | 46 – 51 |
The 30° marked on the diagram is 30° of bend from a straight leg — a slightly bent knee, not a right angle.