Features JF Form Foam - Twice the thickness of a standard foam insole, with optimal rebound so the sole never flattens and you always feel supported. Material: Faux Leather Heel Height: 4.0" Shaft Height (based on size 8): 4.5" Extra room across the footbed, ball of the foot and instep Brand new in box! Smoke free home. Bundle 2 or more items from my closet to save!