Only this month, a 10-day Djerf Avenue pop-up store in London had shoppers queueing down the street to buy wardrobe staples such as oversized blazers, simple T-shirts and high-wasted trousers.

Djerf Avenue recently held its first 10-day pop-up shop in London, which saw queues forming up to three hours before the store opened. Journalism student Evie Summers, who attended the pop-up to ...