ILSE JACOBSEN HORNBAEK Size 10 Cheerful Flip Flops in Pear Sorbet. NEW WITH TAGS. Cheerful flip flop by Ilse Jacobsen. The upper is a 1,5 cm wide thong strap, decorated with textured glitter in an ombre pattern. The sole is made with air rubber, being induced with air to make them light weight and flexible. They are extremely comfortable to wear as their patterned insole, creates a gentle massage effect. (Tag was accidentally removed, but is existent and will be with your sale.)