The story of the Under Armour brand begins with a T-shirt, designed to give athletes an undeniable advantage. Today, thanks to Under Armour, athletes are rethinking the way they dress. Innovation is at the heart of Under Armour's activities and vision: to inspire you with solutions to improve your performance. Solutions you could only dream of until now. Under Armour sponsors athletes such as Stephen Curry, Michael Phelps, Jamie Roberts, Lindsey Vonn, Jordan Spieth, Tom Brady and Anthony Joshua. Under Armour also equips Teddy Riner as well as several clubs such as Southampton, FC St Pauli, and ASM Clermont Rugby.  Under Armour's international headquarters are in Baltimore, Maryland. Under Armour EMEA is located in Amsterdam opposite the Olympic Stadium. The Under Armour sports brand also has offices in Denver, Hong Kong, Toronto, Guangzhou.