U.S. Patent # 4,474,573 (Open Patella) Same patented features as the 130 Diamondback Knee Sleeve but with a patella opening. Geometrically opposed seams provide a bent-knee configuration while eliminating bothersome popliteal irritation. The comfortable controlled tension fit of the sleeve makes it ideal for all-day wear.
Knee Sleeve Size Chart
Measure leg circumference at knee center
12” – 13” = XSmall
13 ¼” – 14” = Small
14 ¼” – 15” = Medium
15 ¼” – 17” = Large
17 ¼” – 18” = XLarge
18 ¼” – 19” = XXLarge
19 ¼” – 20” = XXXLarge