Extended Generic Code At Crocs UK Written by Optimus Performance Marketing on September 1, 2014. Posted in Awin, Fashion, General Promotions, Offers/Promotions, UK, Voucher Codes Crocs UK Affiliate Newsletter News | Promotions Extended Generic Code At Crocs UK Crocs UK are pleased to announce they have extended their current generic code for September! Code - CROCS5 Offer - 5% off Expires - 30-09-2014