Birkenstock Boston Wood Felt Clog – Grey | Size 38 Classic Birkenstock Boston clogs in grey wood felt. A timeless, easy-to-wear style with the signature contoured cork footbed for all-day comfort. Neutral color pairs effortlessly with everything from jeans to cozy layers. • Brand: Birkenstock • Style: Boston • Material: Wood felt upper • Color: Grey • Size: 38 - US Womens 7 • Adjustable buckle strap • Iconic cork footbed • Very good loved condition. Gently used. Without Box. • Iconic cork footbed Comfortable, versatile, and always in style — a Birkenstock staple.