Utilising data specific to gym workouts, the New Balance Women's WX99 training shoe features a dynamic flex outsole that not only flexes forward and back, but also side-to-side, giving you a natural and responsive feeling.
The heat-driven upper design cleverly uses heat and pressure mapping to determine areas that need high breathability; where your foot gets the hottest during workouts, the upper allows for stretch and/or support where you need it most.
Underfoot, the same pressure mapping is used to indicate where more flex occurs in the lightweight EVA midsole and therefore where more EVA is required for cushioning, while strategically placed rubber pods in those same areas provides traction and durability.
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