Knee pads:
Measure the circumference of the knee at the strongest point with the knee slightly bent.
| Size | Circumference (inches) |
| S | 14-15 |
| M | 15-17 |
| L | 17-20 |
| XL | 20-22 |
Elbow pads:
Measure the circumference of the elbow at its strongest.
| Size | Circumference (inches) |
| S/M | 9-11 |
| L/XL | 11-14 |
Ankles:
Measure the circumference of the ankle.
| Size | Circumference (inches) |
| S | 7 |
| M | 8-9 |
| L | 9-10 |
| XL | 10-12 |