This longer version (40cm) is intended for different kinds of knee pain, such as mild to moderate sideways instability. The orthosis has aluminium uprights with adjustable flexion and extension stops to allow for different range of motion adjustments.
| Sizes | Circum. 15 cm below mid-patella | Circum. mid patella | Circum. 15 cm above mid-patella |
| Small | 32 - 38 cm | 32 - 38 cm | 39 - 46 cm |
| Medium | 36 - 42 cm | 36 - 42 cm | 43 - 51 cm |
| Large | 40 - 46 cm | 40 - 46 cm | 47 - 55 cm |
| X-Large | 44 - 50 cm | 44 - 50 cm | 51 - 60 cm |
| XX-Large | 48 - 55 cm | 48 - 55 cm | 56 - 65 cm |
| XXX-Large | 54 - 61 cm | 54 - 61 cm | 61 - 71 cm |
