Dynamic fit technology delivers a one-to-one fit. | engineered mesh upper offers lightweight ventilation. | zoom air units provide responsive cushioning. | partial mesh bootie wraps the foot for a plush, comfortable fit. Notches at the tongue provide easy on and off. | fitsole sockliner conforms to the shape of your foot to provide comfort and underfoot support. | the iconic men's nike air zoom pegasus 34 running shoe continues with an engineered upper, zoom air units and cushlon foam to deliver responsive cushioning. Dynamic flywire cables help secure a one-to-one fit so you can go the extra mile in comfort.