Sportswear large Nike is investigating a design issue with the shirts set to be worn by a number of groups – including England – at this summer time’s World Cup.
Bulging across the shoulder seams of the shirts was seen in the course of the latest worldwide break, notably on the designs worn by England, France and Uruguay.
Nike didn’t reply to a request for remark from BBC Sport however a spokesperson advised the Guardian, external: “During the recent international break, we observed a minor issue with our Nike national team kits, most noticeable around the shoulder seam.
“Performance is unaffected, however the total aesthetic shouldn’t be the place it must be.”
Nike has also produced the kits of co-hosts Canada and the USA, as well as Turkey, Australia, Croatia, South Korea, Brazil, the Netherlands and Norway.
The shoulder seam issue is apparent on both ‘match’ shirts designed to be worn by the players, and ‘stadium’ shirts aimed at supporters, with many fans voicing their concerns over the issue with their purchases.
In the United Kingdom, Nike is retailing England’s stadium shirt at £89.99 and match shirt at £134.99.
The American company has produced England’s men’s and women’s kits since 2013.
“We all the time maintain ourselves and our merchandise to the best requirements and this fell quick,” the spokesperson mentioned.
“We’re working shortly to make this proper for gamers and followers, as a result of each package ought to mirror the care, precision and pleasure that the sport deserves.”
The kits have been designed to incorporate performance cooling technology in an effort to combat the extreme temperatures expected at the tournament in the US, Canada and Mexico which begins on 11 June.
England’s marketing campaign begins on 17 June towards Croatia in Arlington, Texas, whereas Scotland face Haiti on 14 June in Massachusetts.