Myntra.com — Mast & harbour grey sneakers

My return request was rejected. I had only tried the shoes for a minute and all the tags are there. Company said that the return request was rejected because the product failed the quality test ever thought the product have 30 days return policy. I returned the product the same day it arrived

Details
Ordered a Mast & harbour grey sneakers ( package I'd -[protected])on 8 may and delivered on 12 may and placed a return request the same day of delivery because o[censored]ndisired fitting and the same day item was picked up by a delivery boy. Next day i was informed that the return request was refused because of quality check failed even though I haven't used the product at all. And after that I requested a call back and ever they didn't give me a valid reason for why the product quality check failed. I don't think anyone has any details about quality check.
Please help