Puma — Ignite shoes manufacturing defect in soles

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Www.puma.in

Sir, i brought puma ignite running shoes from samarth puma store jaipur. After few days i realise difference in shoes soles. Right foot sole's width is slightly bigger then left ones. So i go back to the store and one of the employ checkes it and accept that this is manufactring defect and told me to come two days later your shoes will be replace. But now store manager says this difference is normal and it is in every ignite shoes so i want my shoes replace plz help me.