Retailers have an ongoing battle to absorb the cost of returns, which amount to around £60bn a year.

Asos recently made radical changes to its model to keep return costs under control, which includes offering vouchers rather than a cash refund for those who return items after 28 days and deactivating the accounts of those who abuse its returns policy.

We look at five different ways retailers can tackle the problem of serial returners and wardrobers, and reduce fulfilment costs.