All you need is a container in which to immerse the pair of shoes, from which the laces and the internal insole must be removed; pour the hot but not boiling water, pour the color after shaking it well, wear gloves to avoid coloring your hands, mix the color inside the container, immerse the sneakers for the time necessary to obtain the desired color; the times vary from 5 minutes if you want a pale color and 20 minutes for a more intense color. We soak the laces for just 2 minutes. Sneakers will tend to surface; they must always be kept submerged either by using weights or by pushing them down with your hands.
Once you get the desired color, rinse the sneakers with cold water and let them air dry