Two measurements tell us your Size and Strap. Takes about a minute.
A
Floor to top of knee
Sit with your knee bent at a right angle.
Place the tape at the top of the knee.
Measure straight down to the floor.
B
Thigh circumference
Stand naturally, seated is fine too.
Wrap the tape around the mid-thigh.
Snug, not tight.
Full size reference
Size
Floor to knee cm
Small
40–48 cm
Medium
48–58 cm
Large
58–66 cm
Strap
Thigh circumference cm
Standard
46–60 cm
Extended
58–76 cm
Measurements are a guide. If you fall between sizes, choose the larger one. This tool is not medical advice — check with your doctor or physiotherapist before using any assistive device.