The Birkenstock Men’s Arizona Birko-Flor Nubuck Sandals are the category-defining, two-strap wonder! With adjustable straps and a magical cork footbed that conforms to the shape of your foot, a truly custom fit is as effortless as the classic design. Birkibuc – durable, synthetic upper with a nubuck leather-like texture and soft backing * Contoured cork footbed conforms to the shape of your foot * Lightweight EVA sole for cushioning and shock absorption * Deep heel cup * Longitudinal and transverse arch supports The Birkenstock Men’s Arizona Birko-Flor Nubuck Sandals feature flexible leather lining, which is gentle on the skin, nestles up softly against your foot and adjusts to its contour. The open-pored and thus very breathable surface makes for a comfortable foot climate, even during more strenuous physical activity.