I know the feeling .
I doubt it can be removed without damaging the fabric.
Hope someone will prove me wrong ?.
Did this to my expensive ass jacket...
ass jacket
watch that any solvents do not attack the gortex/PTFE lining within the fabric. The outer fabric may appear OK but it could dissolve the inner waterproof membrane!
ass jacket
ive sat down on a newly felled tree stump........
If your worried about WD40 use the veg oil or baby oil. It works and I use it on my climbing ropes that I trust my life to.
W D 40
jeez you guys kill me when you get a wee mark on your stalking claze, there for crawling about the countryside soak it up ..lol