STEP 1: Circumference & Length
Measure the circumference around your thigh above your below-knee prosthesis and any prosthetic supplies. Next, measure the length from the back of your heel while flat on the floor to above your prosthesis and supplies. Continue to STEP 2: Find your size

STEP 2: Find your size
Take both your circumference and length measurements and use this chart to determine your size.
SIZE | CIRCUMFERENCE (in) | *LENGTH (in) |
Small | 12 - 16 | 32 |
Medium | 15 - 19 | 35 |
Large | 17 - 21 | 38 |
X-Large | 21+ | 41 |