Birkenstock Boston PRO Narrow Fit is a leather clog-style mule that delivers comfortable, practical all-day wear with a durable rubber sole. Product image is indicative. Key attributes: Green | Verde | Leather | Durable rubber sole | Slip-on | Professional use | Closed-toe clog silhouette | Smooth leather upper | Dimensions & fit: Narrow Fit | Composition & care: Upper: Leather | Lining: Leather | Sole: Rubber | Wipe clean with a damp cloth; use leather cleaner/conditioner as needed; do not machine wash.