these are sport and yoga asics leggings with a logo so worn off I peeled it off completely but there is still some visible, white-ish residue, some kind of adhesive I assume.
I found https://www.wikihow.com/Remove-Prints-from-Clothes but I don’t know if any of those solutions would work to completely remove the residue, plus, I’ve never done this, so asking for your advice.
I’ve had great success getting acrylic paint out of all kinds of material with Murphy’s Oil. Might work for this.