These Cole Haan Riannon sandals feature a textured design and a bold platform heel, combining modern style with a comfortable fit. The sleek silhouette offers a statement-making look, perfect for elevating any ensemble. Open toe Buckle Synthetic upper Lining: Synthetic Synthetic sole Imported SIZE Heel height, about 3.75'' (95mm) Platform height, 1" (25mm). Center Core - W Core Shoes > Saks Off 5th. Cole Haan. Color: Silver. Size: 9.5.