it has been said is not clean, shoes for a long time after the sole and shoes are dirty, not only can't come with clothes to wash, don't fit into the washing machine, the washing machine and shoes have some wear and tear.
2, laundry detergent has damage on shoes
now a lot of laundry detergent and special cleaning fluid on the washing machine in order to reduce the cost and the principle of a lot of dilution, causing water quality cannot achieve neutral and alkaline and acidic water quality is bad to mat, easy to cause shoes does corrosion, glue, yellow oxide, such as damage, so is not recommended.
3, shoes material itself is not suitable for machine wash
you also need to consider whether the shoes fit for washing, now a lot of shoes are woven, canvas, leather materials, leather can't touch water to clean, easy to cause shoes to harden, deformation.
Of course canvas and weaving can be washed, but can use machine wash not clean.