The Advertising Standards Authority (ASA) has upheld a complaint against a social media advert for Nike trainers.

The Advertising Standards Authority (ASA) said both rulings were part of its wider work investigating "online choice architecture" (OCA), which has also come under scrutiny by the Competition and Mark

Adverts for sports giant Nike and broadcaster Sky have been banned for using tactics which could mislead customers into spending more than intended. Nike ran an advert on social media which showed the price of the trainers as £26, only for customers to discover when they clicked that it was for a children's size.

The Advertising Standards Authority said both rulings were part of its wider work investigating ‘online choice architecture’ used by retailers.

Adverts for Nike and Sky have been banned for using so-called “dark pattern” tactics designed to lead consumers to unintentionally spend money. Nike advertised a shoe at a low price, causing consumers to click through only to find that it was for a children’s size.