The wearable technology market has exploded. There are plenty of activity trackers, e-health monitors and smartwatches, but all too often the focus has been on emerging technology rather than the design.Yet product design is vital to commercial success, as consumers will only want to buy a device that complements their desired look. With the wearables market expected to be worth $5.8bn by 2018, it is important that manufacturers factor in the design element and not just how much the product can do.