Thrive F3 Anterior AFO sizing
Measurement: Length of the current shoe insole, compared with the listed footplate length.
| Size | Footplate length | Brace height | Recommended US shoe size |
|---|---|---|---|
| XS | 8 7/8" | 13" | Big Kid 1 –W6 |
| S | 9 5/8" | 14" | W5– W6 | M7 |
| M | 10 1/2" | 15" | W7–W10 | M6– M9 |
| L | 11 1/4" | 16" | W9–W12 | M8–M11 |
| XL | 12" | 17" | W12 | M10–M13 |
- The official F3 Anterior chart lists Standard and FlexTrim versions with the same dimensions for left and right sides.
- The supplied product page lists left and right sides, with Magnetic or Velcro closure options.
- Footplate length and brace height are device dimensions, not patient foot length.
- The product page specifies measuring the current shoe insole; the shoe-size ranges are labeled as recommendations in the official chart.