The mizuno synchro mx ladies neutral running shoes are a good choice for those who seek lightweight and breathable trainers that ensure more comfortable running the special dynamotion fit system works with your foot throughout the gait cycle to help you achieve a better stride the u4icx midsole with extra cushioning enhances rebounds and allows for stress free and more dynamic running while the high grade removable premium insock offers more comfort and cushioning the outsole is made of dura