NWT. Size US 9/EU 40. The BIRKENSTOCK Gizeh brings legendary comfort and elegant detailing to the thong sandal. This spring, sky blue catches the light wherever you wander, with tonal details that match back to the soft shade. With a vegan microfiber upper and footbed lining for style you'll love inside and out. Complete with an original BIRKENSTOCK cork-latex footbed for all-day support. Contoured cork-latex footbed creates custom support with wear Microfiber upper with iridescent shimmer Microfiber footbed lining EVA sole is flexible & lightweight Thong style with adjustable metal pin buckle “Made in Germany” quality stamp on footbed