HNWIs can take their pick of the finest luxury brands, defined by having a net worth of at least $2 million. There are 13.7 million of these consumers globally, but with so much to spend, how do they choose where to splash the cash first? And as their ranks grow, how will luxury shopping change?

Global menswear sales are set to reach $110 billion by 2019, up 36% on 2014. In response, there’s been an influx of stylish start-ups focused solely on men. Curatum is a discovery platform offering one new product each day. Is a minimal, mobile model the right way to get the modern man spending?

Whether you’re finding peace in a yoga class, or sipping coffee at Starbucks, the accepted attire for men is now the same – trainers and joggers. As sportswear becomes a permanent fashion feature, Mr Porter has launched an activewear section to add a touch of casual luxury to men’s wardrobes.

A decade ago, 'luxury' might have meant a Mercedes, a Prada bag or a Rolex. But in 2016, old symbols of extravagance are out and people are searching for more meaningful things to spend on. With the market thought to have grown just 1-2% in 2015, is this the end for traditional luxury fashion brands?