Chip off any dried or crusty material on the shoes.
Remove laces, inserts, and any other removable parts.
Mix a solution of gentle detergent, such as Ivory Snow, and warm water. Use a terrycloth towel dipped in this solution to clean the smooth rubber parts and soles of the shoes.
Using the same solution, go over every inch of each shoe with an old toothbrush.
Blot away water and detergent as you go with another clean, dry towel.
Use a damp towel to rinse the canvas.
If the shoes are white, dip the toothbrush in white vinegar and lemon juice and scrub it again. Do not use bleach—it may react with the canvas and turn yellow.
