The IB7910 features the Island Pro ® black rubber sole and original foot bed design, with the arch, heel cup, and outside contour. The upper is constructed of top quality nylon webbing with a soft suede toe piece. For the insole we have used two great products Rubatex ® and Ultrasuede ® in a combination that provides superior flexibility and shock absorption, with the soft feel of suede that is durable and water washable. If you are looking for instant and long lasting comfort, this is the one for you. Made in Hawaii USA.