The riders undertook a personal shopping experience through the swathes of different items of apparel on offer at the NEC in Birmingham before posing for some creative photographs.
Trott posed on a bicycle made up of rolled-up clothes and shoes, while sprinters James and Marchant lay among some of their kit grinning at the camera.
The kit, designed by Adidas and Stella McCartney, was revealed in April, sporting a Union Jack and a unique coat of arms.
Not all of the cyclists in the Team GB squad were present to collect their kit on Wednesday, with Sir Bradley Wiggins and the men's endurance team on a training camp and Mark Cavendish still competing at the Tour de France.
Trott will be looking to win her third Olympic gold in Rio, having won the team pursuit (with Rowsell-Shand) and omnium titles in London, while James, who missed 2012 through injury, will hope to build on her keirin bronze from the 2016 World Championships.
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