Make Your Mark at a One Ten HIIT class. Specifically designed for young adults aged 14-22. Our high intensity interval training classes alternate intense bursts of activity with fixed periods of calmer movement, forcing your heart rate up and down for the most effective workout ever. ONE TEN (www.weareoneten.org) Here to unleash the fighter spirit within Hong Kong’s young adults, One Ten is on a crusade to create positive impact through exercise, building an army of young warriors who give 110% to everything they do. Our spinning instructors are also professionally trained life coaches, here to help you understand and let go of the stresses specific to young adult life, and empower you to experience true transformation.