Anatomically Shaped Birkenstock Soft Footbed: Molds to Your Feet Upper: Soft Suede Crafted with Suede Leather Upper, Cork Footbed, Suede Lining, and EVA Outsole Lightweight EVA Sole Secure Fit: Four Straps, One with Adjustable Metal Pin Buckle Indulge in unparalleled comfort with the Birkenstock Lugano Soft Footbed Suede Sandals. Featuring four straps, including one with an adjustable metal pin buckle, these sandals offer a secure and personalized fit. The Soft Footbed, with its cushioning and arch support, ensures all-day comfort and support.