I am purchase a shoes to this Portland Brand, with three months warranty but here i would like to say before three months shoes shole is break then i return the shoes to shop for refund the money, the shop owner say that refund amount is more then 80% of purchase rate, but when refund amount is come it is 50%, because he say you can use this shoes 2 months 20 days, if you return to 1 months on purchase date its 80%.