The Birkenstock Boston clogs seamlessly combine classic style with unbeatable comfort. Crafted with a contoured cork footbed, EVA sole, and soft suede uppers, their minimalist design is elevated by a subtle strap detail. Effortlessly versatile, these slip-ons offer exceptional support for everyday wear. 100% Suede Uppers, EVA Sole, Strap Detail, Made in Germany, Birkenstock. Birkenstock Men's Boston Pure Sage.