Out of the Blue - Extremely bad customer care

I bought a dress from Out of the Blue, Stellenbosch Square branch in July 2021. It was the Dinah dress. I paid R1275 for the dress. I bought it specially because it is a long dress with long sleeves and it suited my requirements because I am teaching in Saudi Arabia. When I landed in Saudi Arabia it was end of July and extremely hot, so I did not wear the dress immediately. Well, later when we had a cooler day I wore the dress and after I washed it, it shrank about 1 and a half size. This dress is now useless for me. I wrote to Out of the Blue on their website. (There is a box that says "Contact us") After about a month not hearing anything back, I googled the website for the Out of the Blue branch in Knysna. I got a cellphone number and I WA with the owner/manager of that branch. She was very friendly and she said that she will give my complaint through to the marketing team. It is now about 2 months later and still no one of Out of the Blue contacted me. This is extremely bad service taking in consideration that their clothes are not cheap.