Extra Wide Calf Circumference (IN) 16.9 Calf circumference increases by 1.18 (IN) from regular to wide and wide to extra-wide Measurements based on size 6, standard calf; for each half size larger, calf circumference increases by 0.26 (IN) Platform Height (IN) 0.6 Heel Height (IN) 3.5 Nylon Zipper Closure Block Heel Almond Toe Available in Regular Calf and Wide Calf- Search Vince Camuto Gibi or Vince Camuto Gibi Wide Calf