Introducing the NEW…. Extreme Bracelet Twist – Metax is one of the EXTREME PERFORMANCE GEAR Series by Phiten with METAX technology. Supports the performance of people who enjoy daily sports, to the athletes who compete in extreme conditions. The Twist Bracelet is water resistant and has a stylish and impressive design. Available in black/red and red/white. 16cm/6-1/4″ and 16cm/7″.