Hi Supplier,We are a company from Sri Lanka. We are interested in your Knit upper comfort walking formal shoe men casual shoes.Here is the information about the product that we need:style,insole material,Do you have any quality assurance certificates?Please forward any information you have available regarding the questions above.Warm RegardsPrasad FernandoOutsole Material:EVAGender:MenInsole Material:Pu Show More