Newton Lady ISAAC Women's Trainer.
Offering intelligent control, the Newton Lady Isaac Neutral Guidance Trainer Running Shoe sold at Sports World Hong Kong is designed for runners of all levels who are committed to Natural Running. Whether you follow Chi, Pose, Evolution, barefoot running or just want to run better, the Sir Isaac allows you to run naturally — with greater efficiency and less overuse injuries (like achilles tendonitis and plantar fasciitis). Recommended for any distance and general fitness, walking or working out in the gym.