"Classy and elegant. The Trio has 3 chic straps that wrap around your feet keeping them feeling secure while looking elegant. A subtle flexible gusset ensures easy wearing all day long. This luxurious upper is built around our unique contoured sole unit with BFT Technology– carefully crafted to provide gentle biomechanical correction and exceptional pronation control. This advanced foot support, is perfect for everyday wear and incorporates features to minimise foot fatigue all while improving posture, balance and body alignment."