So go to small claims court. Plenty of advice here. https://www.moneysavingexpert.com/reclaim/small-claims-court
At least you get something back. JD sports gave me nothing after the sole came off my trainers...wore them for an hour and returned them the day after. JD sports are thieves........
"If you’d like a refund, these will be given at the original purchase price (excluding initial delivery charge)" Plus they deduct £2.50 for the return and they even try this with free PayPal returns.
What’s wrong with it? https://www.footasylum.com/mobile/returns-mobile/
Garbage if not illegal returns policy. Buyer Beware!