The North Face has gone down 50% off of McMurdo 2 Parka as well as other winter clothes. Better to buy it now than next winter.
You can also subscribe to newsletter for a voucher of £10 and %4 cashback with Quidco. That makes it £182.
The closest deal I have found for this Parka is on PriceScanner is £249.
Don't forget to check other options and items on sale on the website.