Medium Black and Gray frequency pattern Leggings

size medium (based on measurements) Black and gray EUC Unknown brand - may be Kyodan size medium black and gray leggings with an unusual design that looks like frequencies. White interior and feels similar to Lulu Luxtreme. The logo on the zipper of the back pocket looks to be Kyodan but there are no tags or logos anywhere else on the leggings. 14" waist 16.5" hips 9" rise 28" inseam