Fafetch.com has a very good customer service, the support team responding to your request in a short time.
Phone: +44 (0) 20 3750 1250
Email: [email protected]
Online: Contact form here
Post: Farfetch UK Ltd 4th Floor, The Bower, 211 Old Street London, EC1V 9NR
Opening Time Monday - Friday: 08:00 am - 11:00 pm GMT Saturday - Sunday: 09:00 am - 09:00 pm GMT