11-121X-XX 11-121X-XX 988.99

DonJoy OA Nano Knee Brace

A lightweight means to manage arthritis pain.

This item requires custom fitting and is only available through your doctor with a prescription.

Alternative Product Solutions


The DonJoy OA Nano is a lightweight brace that off-loads pressure from the knee. For mild to moderate knee osteoarthritis, the OA Nano is designed for people to stay active and move freely.

One of the best aspects of this braces is it provides people with knee osteoarthritis with an option to help alleviate pain and stabilize their knee with non-invasive, non-addictive treatment options.

Combining lightweight material with innovation, the OA Nano delivers to high-tech functional comfort in a lightweight design. The flexibility of the magnesium frame allows for an intimate fit while the revolutionary nano MAG material provides strength to off-load and help provide pain relief.

Features & Benefits

  • Lightweight knee brace weighs 14.2 oz
  • Helps to reduce OA pain
  • DonJoy's Adjuster technology off-loads assisting to reduce OA pain
  • Unlimited comfort
  • Adjustable malleable magnesium frame allows you to adjust to your personalized preference
  • Contoured design keeps the brace in place and enhances brace suspension for various levels of activity
  • Designed to support and protect mild to moderate knee osteoarthritis (OA)
  • Best for all activities

Size Chart & Fit Guide

Take the measurement of your thigh and calf 6" above and below your kneecap using a flexible type tape measure.  Use the diameter you measure here to choose your size.

Size Thigh Knee Center Calf
XS 13" - 15.5" (33-39 cm) 12"-13" (30-33 cm) 10"-12" (25-30 cm)
S 15.5" - 18 .5" (39-47 cm) 13"-14" (33-35 cm) 12"-14" (30-35 cm)
M 18.5" - 21" (47-53 cm) 14"-15" (35-38 cm) 14"-16" (35-40 cm)
L 21" - 23.5" (53-60 cm) 15"-17" (38-43 cm) 16"-18" (40-45 cm)
XL 23.5" - 26.5" (60-67 cm) 17"-19" (43-48 cm) 18"-20" (45-50 cm)
XXL 26.5" - 29.5" (67-75 cm) 19"-21" (48-53 cm) 20"-22" (50-55 cm)
XXXL 29.5" - 32" (75-83 cm) 21"-23" (53-58 cm) 22"-24" (55-60 cm)
    Center Knee 1.Stand with your legs shoulder-width apart, legs slightly bent and leg muscles contracted.
    6 in Above 2. Measure up six inches from the center of your knee with a tape measure, as shown.
    Thig Circle 3. Measure the circumference of your thigh at the 6-inch mark, as shown.
    6 in below 4. Measure down six inches from the center of your knee with a tape measure, as shown. Then measure the circumference of your calf at the 6-inch mark.


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DonJoy OA Nano Knee Brace

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