Birkenstock Infradito Big Buckle Narrow Fit pairs a prominent adjustable metal buckle with the brand’s anatomical cork-latex footbed for stable, all-day wear. Product image is indicative. Key attributes: Black | Leather | Anatomical cork and latex footbed | Lightweight EVA sole | Adjustable metal pin buckle | Padded leather insole | Thong (infradito) design | Lacquered leather upper | Large metal pin buckle | Thong silhouette | Dimensions & fit: Narrow fit | Composition & care: Upper: Leather | Footbed lining: Leather | Anatomical footbed: Cork and latex | Sole: EVA