Metric (cm)
Elbow pads
| Size | Circ. above elbow (cm) | Circ. below elbow (cm) |
| XS | 19 - 23 | 17 - 21 |
| S | 24 - 28 | 22 - 25 |
| M | 27 - 31 | 24 - 28 |
| L | 29 - 33 | 27 - 30 |
Knee pads
| Size | Circ. above knee (cm) | Circ. below knee (cm) |
| XS | 23 - 28 | 16 - 20 |
| S | 30 - 36 | 23 - 28 |
| M | 38 - 41 | 28 - 33 |
| L | 48 - 51 | 38 - 41 |
Imperial (inch)
Elbow pads
| Size | Circ. above elbow (in) | Circ. below elbow (in) |
| XS | 7.5 - 9.1 | 6.7 - 8.3 |
| S | 9.5 - 11 | 8.7 - 9.8 |
| M | 10.6 - 12.2 | 9.5 - 11 |
| L | 11.4 - 13 | 10.6 - 11.8 |
Knee pads
| Size | Circ. above knee (inches) | Circ. below knee (inches) |
| XS | 9.1 - 11.0 | 6.3 - 7.9 |
| S | 11.8 - 14.2 | 9.1 - 11.0 |
| M | 15.0 - 16.1 | 11.0 - 13.0 |
| L | 18.9 - 20.1 | 15.0 - 16.1 |
