Under Armour began in the USA but their story has taken them global. Their apparel is worn by athletes across the sporting world, including Anthony Joshua, Stephen Curry and Trent Alexander-Arnold. Their range of clothing is perfect for the gym, on the run or casual wear. In addition, with HeatGear and ColdGear, you'll be warm or cool depending on what the weather demands. Under Armour were previously the supplier of the Wales Rugby Union team kit and are one of the biggest clothing brands around. They offer not only quality products but sizing you can trust too.