UPPER: Built for an ideal fit. Back pull tab allows for easy on and off. Ghillie cord lacing system, tongue and lining construction designed to provide optimal adjustability. EVA footbed cushions every step. MIDSOLE: Grand 360 EVA midsole. Distinctive ZERØGRAND 5.0 diamond shaped design that allows for greater flexibility while the cushioned underfoot foam compound provides a softer ride. Soft and flexible welt material combined with welt cutout promotes additional flexibility. OUTSOLE: Full length rubber designed to allow midsole flex grooves to move freely.