Refund outstanding since 18 October 2017

I bought a pair of shoes from shoes from Spree. Well known brand. 3 months later the stitching was coming loose. I was advised to return the shoes. They where collected and confirmed as received. I have mailed Spree support several times and eventually even attempted the Twitter route. No success was achieved. I am so disappointed in Spree. It could've been such a shopping experience. Spree forced me to Hello Peter levels to get my money back...