Only worn 2x Chanel sneakers. Extra new white shoe lace, no smell, no stain but there is a dirt smudge on the back of the sneaker (see photo). It is a size 38.5 which is US size 8. Chanel sneakers do run small. I am between an 8 and 8.5 so this cute sneaker did not work out for me. But it’s so cute! Goes nicely with everything.