Between 65 cm and 80 cm. The most suitable length of wide-leg pants should be about 2 cm above the foot surface. Normal women's leg circumference is generally between 50 and 54 cm, so the width of wide-leg pants is between 65 cm and 80 cm, which can visually enlarge the lower body and make the figure look fuller and not fat. Therefore, the most suitable width of wide-leg pants is between 65 cm and 80 cm.