What exactly is XS Infinity? XS Infinity adopts the most cutting-edge training method - gymnastics training method. The core philosophy of XS Infinity is flexibility + flexibility + strength = perfect body shape. Correct posture by increasing flexibility and joint flexibility, while increasing core strength for the perfect physique. This is the most comprehensive and systematic stretching tutorial on the market. Privacy policy https://xs-life.com/privacy-policy Terms & Services https://www.x