Istamax Fuchsia Anti-Pronation & Anti-Torsion TrainersISTAMAX footwear is designed and manufactured with technologies suitable for controlling overpronation, based on specific technical features requested by medical specialists and fine tuned by running experts. Midsole Made of double density phylon with a stiffer internal medial part, in order to reduce stress on the ankle and the inward inclination of the foot, while ensuring adequate cushioning and support. Anti torsion The thermoplastic insert