Experience effective, comfortable support with the Össur FormFit OA Ease, designed specifically for those dealing with mild to moderate unicompartmental knee osteoarthritis or degenerative meniscus issues. This single-upright unloader brace features an innovative Dynamic Force System strap and a 3-Point Leverage System that helps offload pressure from the affected compartment, reducing pain and improving mobility.
Its user-friendly wraparound design includes easy-grip rubber pull-tabs, clearly marked strap guides, and built-in tension indicators to help you get the perfect fit every time. Made with breathable, machine-washable materials, this brace is built for daily wear and comfort, all while staying discreet under your clothes.
Take two measurements with a soft tape measure while standing:
Use both measurements together to confirm your size. If you fall between sizes, size up for comfort. Note: The hinge is placed on the side of the affected compartment — Medial for inner knee OA, Lateral for outer knee OA.
| Size | Calf Circ. 15 cm (6") below mid-patella |
Thigh Circ. 15 cm (6") above mid-patella |
Right Medial | Left Medial | Right Lateral | Left Lateral |
|---|---|---|---|---|---|---|
| XS |
11–12⅝" (28–32 cm) |
14⅛–16⅛" (36–41 cm) |
FOA0518711 | FOA0618711 | FOA0528711 | FOA0628711 |
| S |
12⅝–14⅛" (32–36 cm) |
16⅛–18⅛" (41–46 cm) |
FOA0518712 | FOA0618712 | FOA0528712 | FOA0628712 |
| M |
14⅛–16⅛" (36–41 cm) |
18⅛–20⅞" (46–53 cm) |
FOA0518713 | FOA0618713 | FOA0528713 | FOA0628713 |
| L |
16⅛–18⅛" (41–46 cm) |
20⅞–23⅝" (53–60 cm) |
FOA0518714 | FOA0618714 | FOA0528714 | FOA0628714 |
| XL |
18⅛–20⅛" (46–51 cm) |
23⅝–26⅜" (60–67 cm) |
FOA0518715 | FOA0618715 | FOA0528715 | FOA0628715 |
| XXL |
20⅛–22" (51–56 cm) |
26⅜–29½" (67–75 cm) |
FOA0518716 | FOA0618716 | FOA0528716 | FOA0628716 |
| 3XL |
22–24" (56–61 cm) |
29½–31⅞" (75–81 cm) |
FOA0518717 | FOA0618717 | FOA0528717 | FOA0628717 |
⚠️ Hinge is placed on the side of the affected compartment. Medial = inner knee OA. Lateral = outer knee OA. Consult your clinician if unsure.
OrthoTape is an authorized Össur dealer. All products are 100% genuine and covered by the manufacturer's warranty. This product may be eligible for FSA/HSA reimbursement — check with your plan administrator. HCPCS code: L1845 (verify with your insurer). For medical use questions, consult your healthcare provider.
