Aerosoles Women's Ivory Tree, 100% Nubuck Rubber sole Heel measures approximately 3/4" Strobel construction stitches the upper to the insole, creating a lightweight, flexible shoe. Shock-absorbing diamond pattern outsole flexes with your foot as you move. Rubber outsole provides excellent traction to keep you steady. Tumbled nubuck leather upper, polyurethane upper lining, faux suede sockliner, rubber outsole. Care: Lightly brush with a soft to medium brush.