SL PRO 7mm Stiff Knee Sleeves
| Knee Circumference | Sleeves Size |
| 32-34.5cm | S |
| 34.5-37cm | M |
| 37-39.5cm | L |
| 39.5-42cm | XL |
| 42-46 | 2XL |
Measure around knee joint while leg is straight. The sizes match those of INZER ErgoPro Knee Sleeves and Hansu Power Stiff Knee Sleeves 2.0.