This band, made of suede, replaces the strap pads on the upper calf strap (#4, 5 strap) and helps to keep the brace suspended on the leg.
Measurement:
Measurements taken of thigh circumference 6" above mid-patella
SIZING
THIGH
XS
13"-15 1/2"
S
15 1/2"-18 1/2"
M
18 1/2"-21
L
21"-23 1/2"
XL
23 1/2"-26 1/2"
XXL
26 1/2"-29 1/2"
XXXL
29 1/2"-32"