The IB8903GEN features the Island Pro Black Lug sole and original foot bed design, with the arch, heel cup, and outside contour. The upper is cut from soft oiled suede leather. For the insole we have combined the Rubatex Rubber and the soft oiled suede for an unbeatable leather feel and durability. If you are looking for instant and long lasting comfort, this is the one for you. Made in Hawaii.