My son wants a pair of knee warmes for hiking and running. I have never heard of (young) people using kneewarmers, so I started to search the Internet and the ravelry patterns. And what I found was
Phil’s Knee Warmers and a historical german Kniewärmer.
Nevertheless I decided to do my own version. The yarn was in my stash, but I would suggest to use 100% Merino, which is softer than the usual sock-yarn.

Change the size by changing the needle size or/and changing the number of stitches, but make sure that the number is a multiple of 4.

2021 Pattern corrected! All corrections are marked yellow.