Birkenstock Women's Gizeh Birko-Flor Thong/ Sandals in brown, US size 8.5 EU 39. Designed with slip-on style, adjustable metal buckle, and a comfy cork-latex footbed. Excellent condition.. • Brand: Birkenstock • Color: Brown • Size: US 8.5 / 39 • Style: Thong, Slip-on, Adjustable Metal Tongue Buckle • Material: Cork-Latex Footbed, Oiled Leather • For: Women Features: • Thong, Slip-on, Adjustable Metal Buckle Size: Womens 8.5 Condition: Pre-Owned Good