Arizona light wash skinny jeans size 1

Arizona Jean Co light wash distressed skinny jeans, button & zipper fly, size 1 average. 69% cotton, 18% polyester, 9% rayon, 3% elasterell-p, 1% spandex. In great gently used condition. Small spot on back of 1 leg whiter than rest not sure if a spot or just from the process of light acid wash? Thanks got looking! From a smoke free home.