187 Killer Knee Pads Sizing Guide

For a perfect fit, compare your measurements to the size chart provided.

If your measurements fall between sizes or if you're uncertain about which size to select, we highly recommend opting for the larger size. Our experience with the 187 killer knee pads has shown that customers tend to be more satisfied with the larger size choice.

Metric (cm)

Size	Pro Knee/Pro Derby	Fly Knee Pads	Knee Gaskets
XS	25.5 - 30.5 cm	25.5 - 30.5 cm	-
S	30.5 - 35.5 cm	30.5 - 35.5 cm	30.5 - 35.5 cm
M	35.5 - 40.5 cm	35.5 - 40.5 cm	35.5 - 40.5 cm
L	38 - 43 cm	38 - 43 cm	38 - 43 cm
XL	43 - 51 cm	43 - 51 cm	43 - 51 cm
2XL-3XL	53.5 - 61 cm	-	-

Imperial (in)

Size	Pro Knee/Pro Derby	Fly Knee Pads	Knee Gaskets
XS	10 - 12 in	10 - 12 in	-
S	12 - 14 in	12 - 14 in	12 - 14 in
M	14 - 16 in	14 - 16 in	14 - 16 in
L	15 - 17 in	15 - 17 in	15 - 17 in
XL	17 - 20 in	17 - 20 in	17 - 20 in
2XL-3XL	21 - 24 in	-	-

How to Measure

Follow the instructions below and compare your measurements with the size chart

Knee Measurement

Measure the knee circumference in the middle of the knee (around the knee cap), while your leg is stretched.

Tip! Use a soft measuring tape, to ensure that the product fits properly. Alternatively, use a piece of string and then measure it against a ruler