Signature suede slip-on clog from Birkenstock featuring a simple, adjustable design and comfortable cork footbed that molds to the shape of your foot for easy, all-day wear. Lightweight, cushioned EVA sole Adjustable buckled strap Backless design Fit Note: Narrow A/B Width Fit Note: Narrow width (A/B). A Birkenstock narrow width fit is comparable to a Medium (B Width). A Birkenstock narrow width fit is comparable to a Medium (B Width). | Birkenstock Boston Slip-On Clogs at Free People in White, Size: EU 40