| Size | 3+ | 4+ | 5+ | 6+ | 7+ | 8+ | 9+ | |
|---|---|---|---|---|---|---|---|---|
| “d” measurement (cm) | 17 | 31 – 34 | 34 – 37 | 37 – 40 | 40 – 43 | 43 – 46 | 46 – 49 | 49 – 52 |
| “f” measurement (cm) | 15 | 44 – 47 | 47 – 50 | 50 – 53 | 53 – 56 | 56 – 59 | 59 – 62 | 62 – 65 |
The 30° marked on the diagram is 30° of bend from a straight leg — a slightly bent knee, not a right angle.
Left and right are different items — pick the side on the product page.