The FitFlop Kys slide sandals feature criss-cross straps and a low wedge heel, perfect for casual occasions during the summer, fall, and spring seasons. The black leather upper is accented with silver, and the outsole is also made of leather. The sandals are slip-on and have a standard shoe width. The insole is synthetic, and the lining is leather. The FitFlop Kys model is a slip-on style sandal that is comfortable and stylish.