Birkenstock Siena Big Buckle Sandals Light Gray Suede | Size 40 (Fits US 9–9.5)

Authentic Birkenstock Siena Big Buckle sandals in Light Gray/Stone suede. Size 40 (fits US Women’s 9–9.5). Regular width. • Soft suede cross-strap upper • Oversized silver buckle • Footbed clean and in great condition • Light wear on outsole — still lots of life left • Neutral color that matches everything ✨ Perfect for travel, everyday wear, and all-day comfort.