The German sportswear company, who are also a Tier One sponsor of London, have been the official kit supplier to UK Athletics since 2005.

This latest deal extends the partnership until 2013.

Besides sponsoring London 2012, adidas is also a long-time backer of the British Olympic Association and last November signed an 11-year sponsorship agreement with the International Association of Athletics Federations.

The new patriotic kit, which was revealed today and was modelled by Olympic triple jump silver medallist Philips Idowu (pictured), is a bespoke design specifically for the British team.

It will be worn for the first time at the European Team Championships in Leira, Portugal on June 20-21.

The new deal will also see adidas providing more support to the annual UK Athletics Major Events Series, specifically the Aviva London Grand Prix at Crystal Palace and the Aviva Grand Prix at Birmingham's National Indoor Arena.

For the first time adidas have become an official partner of the Aviva London Grand Prix, which will take place over two days on July 24-25.

Niels de Vos, the chief executive of UK Athletics, said: "I am delighted that we have not only lengthened, but strengthened our partnership with adidas.

"Both UKA and adidas are organisations that have the very highest ambitions for the sport of athletics and clear visions for the future of our sport.

"We look forward to working closely together on our shared goals during what will be one of the most exciting phases in the sport's history in this country."

The new kit was also shown off today by Olympic 400 metres champion Christine Ohuruogu, European indoor 3,000m champion Mo Farah and heptathlete Jessica Ennis, widely tipped to be one of Britain's biggest hopes for a medal at the 2012 Olympics.

Robin Money, the head of sporks makreting for adidas in the UK and Ireland said: “Adidas is extremely pleased to continue to support UKA.