Sparx — Sole issue

I have purchased Sparx sandal model no SPARX SS0453G on 27th April and delivered to us on 2nd May 2021 but after a month we are facing sandal sole issue. The Sparx is very known company and hence we have order the product but are very disappointed by this product and hence we need a replacement or refund so kindly give us best solution on this.please do the needfull