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Sizing Scout

Let’s Size Your Knee…

To make it easier for you…

  • Measurements should be taken while standing, but with leg relaxed.
  • Having someone help you take measurements may help.
  • If you have a flexible tape measure, use it. If you do not, you can use a piece of string, ribbon, or a shoelace to wrap your leg and then lay it along a yardstick or ruler to translate the length.
  • If your measurements are on the border between two sizes, we recommend you size up to ensure you have space for the gel packs. If you intend not to use the gel packs, you may want to size down.

Measurement Instructions

Measurement 1 – Kneecap and patella circumference (see graphic)

  1. With leg relaxed but not bent, measure around your knee, from the center of your patella around the crease where your knee bends.
  2. Pull tape measure or string snug, but not tight.
  3. Measurement should be accurate to +/-0.5 inches. Enter yours below (in).

Measurement 2 – Upper leg circumference (see graphic)

  1. Standing, but relaxed, place tape measure or string 5” above the center of your patella. Measure around the thigh, ensuring the tape measure stays parallel to the floor. Pull tape measure or string snug, but not tight.
  2. Measurement should be accurate to +/-0.5 inches. Enter yours below (in).

Measurement 3 – Lower leg circumference (see graphic)

  1. Standing, but relaxed, place tape measure or string 5” below the center of your patella. Measure around the calf, ensuring the tape measure stays parallel to the floor. Pull tape measure or string snug, but not tight.
  2. Measurement should be accurate to +/-0.5 inches. Enter yours below (in)

Video Guide

Sizing Chart
Refer the sizing chart below and enter your expected size. FlowState can review your sizing for accuracy and confirm or suggest an alternate size.
Measurement should be accurate to +/-0.5 inches. Enter your below.
MeasurementXXSXSSMLXLXXL
#1 Patellar Circumference12-13.513.5-15.515.5-16.516.5-17.7517.75-18.518.5-2020-21
#2 Upper Leg Circumference13-1416-17.517.5-18.7518.75-2120.75-22.522-23.523.25-25
#3 Lower Leg Circumference15.5-1714.25-15.515.25-16.7516.5-1818-2020-21.2521-22
Inch CM
Measurement XXS XS S M L XL XXL
#1 Kneecap and Patella Circumference (inch) 12-13.5 13.5-15.5 15.5-16.5 16.5-17.75 17.75-18.5 18.5-20 20-21
#2 Upper Leg Circumference (inch) 15.5-17 16-17.5 17.5-18.75 18.75-21 20.75-22.5 22-23.5 23.25-25
#3 Lower Leg Circumference (inch) 13-14 14.25-15.5 15.25-16.75 16.5-18 18-20 20-21.25 21-22

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