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Donut Buttress

Donut Buttress

The Donut Buttress is to be used with the Bio Skin Patella Stabilizer or Hinged Knee Skin for custom patellar support.
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Availability:In stock
Designed to provide added patellar support, the Donut Buttress is used to surround the patella in both the Patella Stabilizer knee brace and the Hinged Knee Skin. The Donut Buttress is made of a dense medical-grade foam that is sturdy and comfortable. The buttress diameter is 3-3/4 inches and only 1/3 inch thick.
Material and Care


Our braces are ultralight compared to the competition.

Dynamic Stretch

Our braces feature four-way stretch fabrics so they move when you do.


Highly breathable materials help keep your skin cool and dry all day long.


Hypoallergenic materials mean everyone can wear BioSkin braces.

Care: Hand wash in cold water and then hang to dry. For the face masks, machine or hand wash in hot or cold water and air or tumble dry.